Question

a) 10x + 10 = 110
b) 100 + x = 3x + 40
c) 3(x+1) = 5x - (x+4)
qual a respostaaaaa

Answer 1

Resposta:

a)x=10

b)x=30

c)x=7

Explicação passo-a-passo:

10x+10=110

10x=110-10

10x=100

x=100/10

x=10

100+x=3x+40

100-40=3x-x

60=2x

x=60/2

x=30

3(x+1)=5x-(x+4)

3x+3=5x-x-4

3+4=5x-x-3x

x=7