Question

Resolva as equações:
a) 4x + 18 = 2x + 10
b) 2 ( 3x + 6 ) = 2 ( 2x - 20 )
c) 4x/5 + 3/10 = 3/2

Answer 1

Resposta:a= -4

B= -36

C= 3/2

Explicação passo a passo:

A) 4x+18= 2x +10

4x-2x= 10-18

2x=-8

X=-4

B) 2(3x+6)=2(2x-20)

6x+12= 4x - 40

6x-4x= -40-12

2x=-52

X=-52/2

X=-36

C) 4x/5 + 3/10=3/2

MMC = 10

2(4x)+3 /10= 3/2

8x+3/10= 3/2

2( 8x+3)= 10(3)

16x+6=30

16x= 30-6

16x= 24

X=24/16

X 3/2