Question

alguem me ajuda pfvr, determine o X​

Answer 1

Explicação passo-a-passo:

e)4x-10=2x+2

4x-2x=2+10

2x=12

x=12÷2= x=6

f)4x-7=8x-2

4x-8x=-2+7

-4x=5.(-1)

x=5÷4= x=

g)2x+1=4x-7

2x-4x=-7-1

-2x=-8.(-1)

x=8÷2= x=4

h)9x+9+3x=15

12x=15-9

12x=6

x=6÷12= x=

Answer 2

Resposta:

e)×=9

f)×=1,25

g)×=1,5

h)×=0,5