Question

Calcule:

2x+4= 1
2y-6= -10
7b+40=-9
3x-5=-20
3 a +5= a-15
3x=27
10x + 50= -100
X-1=3
4x-6=2x-4

Answer 1

Resposta:

x = -3/2

y = -2

b = -7

x = -5

a = -10

x = 9

x = -15

x = 4

x = 1