13=2x+7-4

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Solution for 13=2x+7-4 equation:


Simplifying
13 = 2x + 7 + -4

Reorder the terms:
13 = 7 + -4 + 2x

Combine like terms: 7 + -4 = 3
13 = 3 + 2x

Solving
13 = 3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
13 + -2x = 3 + 2x + -2x

Combine like terms: 2x + -2x = 0
13 + -2x = 3 + 0
13 + -2x = 3

Add '-13' to each side of the equation.
13 + -13 + -2x = 3 + -13

Combine like terms: 13 + -13 = 0
0 + -2x = 3 + -13
-2x = 3 + -13

Combine like terms: 3 + -13 = -10
-2x = -10

Divide each side by '-2'.
x = 5

Simplifying
x = 5

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