Question

Resolva as equações

a)x+1=13
B)2x+7=15
C)6x +1=3x-11
d)10x + 64=2x + 96

Answer 1

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Prontinho esses são os cálculos

Resposta:

x+1=13

x=13-1

x=12

2x+7=15

2x=15-7

2x=8

x= 8÷2

x= 4

6x+1=3x-11

6x-3x= -11-1

3x= -12

x= 12÷3

x= -4

10x+64=2x+96

10x-2x=96-64

8x=32

x=32÷8

x=4