9=3(2x+5)-7x

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Solution for 9=3(2x+5)-7x equation:


Simplifying
9 = 3(2x + 5) + -7x

Reorder the terms:
9 = 3(5 + 2x) + -7x
9 = (5 * 3 + 2x * 3) + -7x
9 = (15 + 6x) + -7x

Combine like terms: 6x + -7x = -1x
9 = 15 + -1x

Solving
9 = 15 + -1x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add 'x' to each side of the equation.
9 + x = 15 + -1x + x

Combine like terms: -1x + x = 0
9 + x = 15 + 0
9 + x = 15

Add '-9' to each side of the equation.
9 + -9 + x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + x = 15 + -9
x = 15 + -9

Combine like terms: 15 + -9 = 6
x = 6

Simplifying
x = 6

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