9x+2x-7x-5=15

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Solution for 9x+2x-7x-5=15 equation:


Simplifying
9x + 2x + -7x + -5 = 15

Reorder the terms:
-5 + 9x + 2x + -7x = 15

Combine like terms: 9x + 2x = 11x
-5 + 11x + -7x = 15

Combine like terms: 11x + -7x = 4x
-5 + 4x = 15

Solving
-5 + 4x = 15

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 4x = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = 15 + 5
4x = 15 + 5

Combine like terms: 15 + 5 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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