X + (-9) =-4 8+ x = -12

Question

X + (-9) =-4


8+ x = -12

Answer 1

Х+(-9)=-4
х=-4-(-9)
х=5

8+х=-12
х=-12-8
х=-20

Comments

ой

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не 20, а -20

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А можете еще вот этот решить : x +(-14)=-8

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секунду

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х+(-14)=-8
x=-8-(-14)
x=6

Answer 2

Х-9=-4
х=-4+9
х=5

х=-12-8
х=-20