Question

4x-6+x=90-6x-x
ajudem

Answer 1

4x - 6 + x = 90 - 6x - x 
4x + x - 6 = - 7x + 90
5x + 7x = 90 + 6
12x = 96
x = 96 / 12
x = 8

Resposta: x = 8

Answer 2

4x -6 + x = 90 -6x -x
4x + x + 6x + x = 90 + 6
12x = 96
x= 96 ÷ 12
x=8