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Solve the equation -20=-4x-6x
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Solve the equation -20=-4x-6x
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Feb 3, 2018
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Solve the equation -20=-4x-6x
Mathematics
middle-school
HLLL
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1
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-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
Riley Lark
answered
Feb 7, 2018
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Riley Lark
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