Question

RESOLVA AS EQUAÇÕES ABAIXO :

a) 4x + 12 =36 + 2x
b) 3x + 15 =45 -x
c) 2x + 18 - 3x =82 - 5x
d) 7x + 35 - 5x =55


ME AJUDEM POR FAVOR

Answer 1

A)4x-2x=36-12
2x=24
x=24÷2
x=12

B)3x-x=45-15
2x=30
x=30÷2
x=15

C)2x+5x-3x=82-18
4x=64
x=64÷4
x=16

D)7x-5x=55-35
2x=20
x=20÷2
x=10

Answer 2

A) 4x+12=36+2x
4x-2x=36-12
2x=24
X=24/2 (dividido)
X=12

B) 3x+15=45-X
3x-x=45-15
2x=30
X=30/2
X=15

C) 2x+18-3x=82-5x
2x-3x+5x=82-18
4x= 74
X= 64/4
X=8

D)7x+35-5x=55
7x-5x=55-35
2x= 20
X=20/2
X=20