Question

Rezolvați ecuatia:
a) 2[7(2x-1)-3(4x-3)]-12=5[1-2(2-3x)]-19.

Answer 1

2[7(2x-1)-3(4x-3)]-12=5[1-2(2-3x)]-19
2(14x-7-12x+9)-12=5(1-4+6x)-19
2(2x+2)-12=5(6x-3)-19
4x+4-12=30x-15-19
4x-8=30x-34
26x=26
x=1