Решите уравнения. 1)x + 18 = 7 2) – 56 – x = – 29

Question

Решите уравнения. 1)x + 18 = 7 2) – 56 – x = – 29

Comments

х+18=7 х=7-18 х= -11

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-56-х= -29 х= -56 - (-29) х= -27

Answer 1

1)x+18=7

x=7-18

x=-11

2)-56-x=-29

-x=-29+56

-x=27

x=-27

Answer 2

1)

x+18=7

x=7-18

x=-11

2)

-56-x=-29

x=-56-(-29)

x=-56+29

x=-27