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5 votes
Solve for the variable: 4x − (9 − 3x) = 8x − 1

User Wcrane
by
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1 Answer

5 votes

Answer:

x = - 8

Explanation:

4x - 9 + 3x = 8x - 1

7x - 9 = 8x - 1

7x - 8x - 9 = 8x - 8x - 1

- x - 9 = - 1

- x - 9 + 9 = - 1 + 9

- x = 8

- x ÷ - 1 = 8 ÷ - 1

x = - 8

User Bjarne Mogstad
by
5.0k points