13+4x=18-7(2-x)

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Solution for 13+4x=18-7(2-x) equation:


Simplifying
13 + 4x = 18 + -7(2 + -1x)
13 + 4x = 18 + (2 * -7 + -1x * -7)
13 + 4x = 18 + (-14 + 7x)

Combine like terms: 18 + -14 = 4
13 + 4x = 4 + 7x

Solving
13 + 4x = 4 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
13 + 4x + -7x = 4 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
13 + -3x = 4 + 0
13 + -3x = 4

Add '-13' to each side of the equation.
13 + -13 + -3x = 4 + -13

Combine like terms: 13 + -13 = 0
0 + -3x = 4 + -13
-3x = 4 + -13

Combine like terms: 4 + -13 = -9
-3x = -9

Divide each side by '-3'.
x = 3

Simplifying
x = 3

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