7x-(2x+7)=13

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Solution for 7x-(2x+7)=13 equation:


Simplifying
7x + -1(2x + 7) = 13

Reorder the terms:
7x + -1(7 + 2x) = 13
7x + (7 * -1 + 2x * -1) = 13
7x + (-7 + -2x) = 13

Reorder the terms:
-7 + 7x + -2x = 13

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

Solving
-7 + 5x = 13

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 5x = 13 + 7

Combine like terms: -7 + 7 = 0
0 + 5x = 13 + 7
5x = 13 + 7

Combine like terms: 13 + 7 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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