How do you solve -3 [x + 5 - 2( 3x - 10) - (4x - 10] = -2 [3x - 7( x + 2)]?

1 Answer
Aug 23, 2015

color(blue)(x=7

Explanation:

−3[x+5−color(blue)(2(3x−10)−(4x−10)]]=−2[3x−color(blue)(7(x+2)]]

-3[x+5−6x+20 -4x +10]=−2[3x−7x-14]

−3[x+5−10x+30]=−2[−4x-14]

−3[-9x+35]=−2[−4x-14]

27x-105=8x +28

27x-8x=105 +28

19x=133

color(blue)(x=7