9x-(5x+5)=7

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


Simplifying
9x + -1(5x + 5) = 7

Reorder the terms:
9x + -1(5 + 5x) = 7
9x + (5 * -1 + 5x * -1) = 7
9x + (-5 + -5x) = 7

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

Combine like terms: 9x + -5x = 4x
-5 + 4x = 7

Solving
-5 + 4x = 7

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 = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = 7 + 5
4x = 7 + 5

Combine like terms: 7 + 5 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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