Question

continue Resolvendo:
a)x+x+6=10
b)3x+3=12
c)2x+15=19
d)5x-10=25
e)12x-10=5x+11
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Answer 1

Resposta:

a) x = 2

b) x = 3

c) x = 2

d) x = 7

e) x = 3

Explicação passo-a-passo:

a)x+x+6=10

2x+6=10

2x=4

x=2

b)3x+3=12

3x=9

x=3

c)2x+15=19

2x=4

x=2

d)5x-10=25

5x=35

x=7

e)12x-10=5x+11

12x-5x=11+10

7x=21

x=3