Mathematics, 04.12.2021 02:30, tonnie179

100 POINTS 7x+3x-18=16(x+3)
10x-18=6(x+3)
10x-18-6x+18
10x-18-6x=18
4x-18=18
4x=18+18
4x=36
x=36/4
x=9
Distributive Property
Subtraction Property of Equality
Combine Like Terms
Multiplication Property of Equality
Division Property of Equality
Given
Addition Property of Equality

Answers: 3

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100 POINTS 7x+3x-18=16(x+3)
10x-18=6(x+3)
10x-18-6x+18
10x-18-6x=18
4x-18=...