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7x- 3(x- 6) = 30 A. X=3 B.x=9 C.x=6 D.x=12
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7x- 3(x- 6) = 30
A. X=3
B.x=9
C.x=6
D.x=12

7x- 3(x- 6) = 30 A. X=3 B.x=9 C.x=6 D.x=12-example-1
User Mph
by
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2 Answers

9 votes
A. x=3 I know this bc I took the test
User Suugaku
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3.2k points
6 votes

Answer:

x=3

Explanation:

1. Simplify the expression

7x-\left(3\cdot\left(x-6\right)\right)=30

Solve by distributing:

7x-\left(3x+3\cdot-6\right)=30

Simplify the arithmetic:

7x-\left(3x-18\right)=30

Expand the parentheses:

7x-3x+18=30

Simplify the arithmetic:

4x+18=30

User Ksimka
by
3.0k points
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