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3(4x-5)-3(2x+7)+32=2(2x+1)-14

Răspuns :

12x-15-6x-21+32=4x+2-14
12x-6x-4x=15+21+2-14
2x=24
x=12

3(4x-5)-3(2x+7)+32=2(2x+1)-14
12x-15x-6x-21+32=4x+2-14
6x-4=4x-12
6x-4x=-12+4
2x=-8
x=-4