Question

a)x+4=9
b)y-12=-4
c)x13=2
d)3x=9
e)9x-8+5x
f)4x-3=+2x+10
​

Answer 1

Resposta:

Explicação passo-a-passo:

a)x+4=9

x= 9 - 4

x=5

b)y-12=-4

y= -4 + 12

y= + 8

c)x13=2

x = 2/13

d)3x=9

x= 9/3

x= 3

e)9x-8+5x

14x=+8

x= 8/14 = 2/7

f)4x-3=+2x+10

4x - 2x=+10 + 3

2x=13

x = 13/2