7x-(x+5)=13

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


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

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

Reorder the terms:
-5 + 7x + -1x = 13

Combine like terms: 7x + -1x = 6x
-5 + 6x = 13

Solving
-5 + 6x = 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 + 6x = 13 + 5

Combine like terms: -5 + 5 = 0
0 + 6x = 13 + 5
6x = 13 + 5

Combine like terms: 13 + 5 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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