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astra-53 [7]
3 years ago
5

Solve the equation -20=-4x-6x

Mathematics
1 answer:
IrinaK [193]3 years ago
4 0
-20=-4x-6x
4x+6x=20
10x=20
x=20:10
x=2

proof:
-20=-4×2-6×2
-20=-8-12
(-8)+(-12)=-20

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