Question

http://prntscr.com/8vb7il

Answer 1

first distribute both sides:
4*(2x+3)=2*(3x-4)
8x+12=6x-8
2x=-24
x=-12

Answer 2

woops

Answer 3

4*(2x+3)=2*(3x-4)
8x+12=6x-8
2x=-20
x=-10

Answer 4

4*(2x+3)=2*(3x-4)
8x+12=6x-8
2x=-8-12
2x=-20
x=-10

substitute:
4*(2*-10 + 3)=2*(3*-10 - 4)
4*(-20+3)=2*(-30-4)
4*-17=2*-34
-68=-68

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