Solve the following pair of equations by the elimination method and the substitution method: 3x+4y=10 and 2x−2y=2. View Solution. Q 5. Solve: 3x+4y =25, 5x−6y =−9 by elimination method. View Solution. Click here:point_up_2:to get an answer to your question :writing_hand:solve3x4y102x2y2 by the method of elimination.
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Step 1: Multiply Equation #1 by the LCM which 10. Step 2: Multiply Equation #2 by the LCM which is 21. Step 3: Place the new equations together to create a new system: Step 4: To solve by elimination, multiply first equation by 3 (this will help to eliminate the x variable). Step 7: substitute y into one of the equations to solve for x. Resposta: Como resolver esse problema. Veja o problema a seguir: (7. −. 4 + 2) − (2. −. 2 + 5) (7x-4y+2)-(2x-2y+5) (7x−4y+2)−(2x−2y+5) Simplifique. 1. Use a propriedade distributiva y = −9 or y = 5 Explanation: To complete the square we use 21 of the y coefficient as follows: y2 +4y −45 = 0 2y2-4y-5=0 Two solutions were found : y = (4-√56)/4=1-1/2√ 14 = -0.871 y = (4+√56)/4=1+1/2√ 14 = 2.871 Step by step solution : Step 1 :Equation at the end of step 1 : (2y2 - 4y) - 5 = 0 2y2+9y-5=0 Two solutions were

Combine Like Terms 7x+2y+5-5x+9y-1. 7x + 2y + 5 − 5x + 9y − 1 7 x + 2 y + 5 - 5 x + 9 y - 1. Subtract 5x 5 x from 7x 7 x. 2x+2y+ 5+9y−1 2 x + 2 y + 5 + 9 y - 1. Add 2y 2 y and 9y 9 y. 2x+11y+5−1 2 x + 11 y + 5 - 1. Subtract 1 1 from 5 5. 2x+11y+4 2 x + 11 y + 4. Free math problem solver answers your algebra, geometry, trigonometry

1. f(x, y) = x^2 + xy + y^2 + 3x - 3y + 4 2. f(x, y) = 2xy - 5x^2 - 2y^2 +4x +4y - 4 3. f(x, y) = x^2 + xy + 3x + 2y + 5 4. f(x, y) = 5xy - 7x^2 + 3x-6y + 2 5. f(x, y) = 2xy - x^2 + 2y^2 + 3x + 2 6. f(x, y) = x^2 - 4xy +y^2 + 6y + 2 7. f(x, y) = 2x^2 + 3xy
How do you solve the following linear system: 2x+y + z = 9,x+ 2y −z = 6,3x− y+z = 8 ? x = 3 y = 2 z = 1 Explanation: Calculations are given in the form of an image. x+y=-4;y-z=1;2x+y+3z=-21 Solution : {x,y,z} = {1,-5,-6} System of Linear Equations entered : [1] x + y = -4 [2] y - z = 1 [3] 2x + y + 3z = -21 Solve by Substitution : // Solve y = 21(5−2x) Explanation: isolate + 2y term by subtracting 2x from both sides 2x−2x+2y = 5−2x 3x+2y=5 Geometric figure: Straight Line Slope = -3.000/2.000 = -1.500 x-intercept = 5/3 = 1.66667 y-intercept = 5/2 = 2.50000 Rearrange: Rearrange the equation by subtracting what is How do you write an equation of a line passing through Find the angle between the lines 2x-3y+7=0 and 7x+4y-5=0. en. Related Symbolab blog posts. Practice, practice, practice. Math can be an intimidating subject. Each new .
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    • 7x 4y 2 2x 2y 5