2X - 2 = 4X + 6
subtract 2x from both sides
- 2 = 2X + 6
subtract 6 from both sides
- 8 = 2X
divide both sides by 2
- 4 = X
------------------------check in original equation
2(-4) - 2 = 4(-4) + 6
- 8 - 2 = - 16 + 6
- 10 = - 10
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4x+3y-2x+y 4x-2x+3y+y 2x+4y Taking out 2 common 2(x+2y) Hence the required answer is 2(x+2y)
Solve for Y algebraically. 4X + 8Y = 16 8Y = - 4X + 16 Y = - 1/2X + 2 graph and see that the Y intercept = 2
2x + 5 = 7 - 4x ie 2x + 4x = 7 - 5 ie 6x = 2 x = one third.
2(2x + 3)
(5x 2 - 8x + 1) + (2x 2 - 4x - 11)