Question

3(x-2)+2(x-3)=7(x-4) calcular x

Answer 1

hallar "x"
3(x-2)+2(x-3)=7(x-4)
3x - 6 +2x-6 = 7x - 28
3x + 2x - 7x = -28 +6 + 6
-2x = - 16
x = -16/-2
x = 8

comprobación:

3(x-2)+2(x-3)=7(x-4)
3(8-2) +2(8-3)=7(8-4)
3(6) + 2(5) = 7(4)
18 + 10 = 28
28 = 28

es todo