Question

determine as expressões correspondente:

a) 3× + 5 - x + 1 =

b) 4 × - 9 × - 7 =

c) 5 ( 2 - 1 × ) + x + 1 =


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Answer 1

Resposta:

a) 3×5-x+1

15-x+1

16-x

b) 4x-9x-7

(4-9)x-7

-5x-7

c) 5(2-1x) + x+1

5(2-x)+x+1

10-5×+x+1

11-4x