Question

alguém pode resolver ??​

Answer 1

Resposta:

a)6

b)0,75

c)5

d)5

e)0

Explicação passo-a-passo:

1.Passo

a)

$18x=65+43\\18x=108\\\\x=\frac{108}{18}=6$

b

$23x+17x=14+16\\40x=30\\x=\frac{30}{40} =0,75$

c)

$4x=25+7-12\\4x=20\\x=\frac{20}{4}=5$

d)

$4x+3x=45-10\\7x=35\\x=\frac{35}{7}=5$

e)

$30-20+2x=10\\2x=10+20-30\\2x=0\\x=0$