Question

1_determine o valor das incógnitas

a)4× - 18 + 3×=10

b)2× + 5 + × +7=18

c)2(×+5) - 4 =26

d)3(×+3) - 5 =22

e)3(×+2) = 2 ( × - 7)

f)4(2× - 1) = 3(× + 2)

g)3(× + 2) - 1 = 2(× + 3) - 7

h)3(× + 1) + 2 = 5 + 2(× - 1)

i)×/5 = 12

j)2×+5/3 = 3

k)3×+8/5 = 4

Answer 1

Resposta:

)4× - 18 + 3×=10

b)2× + 5 + × +7=18

c)2(×+5) - 4 =26

d)3(×+3) - 5 =22

e)3(×+2) = 2 ( × - 7)

f)4(2× - 1) = 3(× + 2)

g)3(× + 2) - 1 = 2(× + 3) - 7

h)3(× + 1) + 2 = 5 + 2(× - 1)

i)×/5 = 12

j)2×+5/3 = 3

k)3×+8/5 = 4

Explicação passo-a-passo: