7x-(9x+5)=13

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Solution for 7x-(9x+5)=13 equation:


Simplifying
7x + -1(9x + 5) = 13

Reorder the terms:
7x + -1(5 + 9x) = 13
7x + (5 * -1 + 9x * -1) = 13
7x + (-5 + -9x) = 13

Reorder the terms:
-5 + 7x + -9x = 13

Combine like terms: 7x + -9x = -2x
-5 + -2x = 13

Solving
-5 + -2x = 13

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 + -2x = 13 + 5

Combine like terms: -5 + 5 = 0
0 + -2x = 13 + 5
-2x = 13 + 5

Combine like terms: 13 + 5 = 18
-2x = 18

Divide each side by '-2'.
x = -9

Simplifying
x = -9

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