Question

Encontre o valor de x nas equações:
a) 7x + x + 2x = 80
b) 5.(x + 3) = 28
c) x + 5x = – 30
d) 3.x = –36
e) 2x + 4 = 68
f) 7x = x + 24
g) 10x – 4 = 8x + 6
h) 2.(x – 5) + 4.(x – 1) = 0
i ) x – x/7 = – 3

Answer 1

2+6++-66+66267;7373+7971)83866