Question

encontre o valor de x​

Answer 1

Resposta:

Explicação passo-a-passo:

a) 5x-6=-x+18 b)7x+4=-x-60 c) 9x-13=2x-111

5x+x=18+6 7x+x=-60-4 9x-2x=-111+13

6x=24 8x=-64 7x=-98

x=24/6 x=-64/8 x=-98/7

x=4 x=-8 x=-14

d) 12x-9=x-130 e) 14x+7=2x+151

12x-x=-130+9 14x-2x=151-7

11x=-121 12x=144

x=-121/11 x=144/12

x=-11 x=12