13-7x=124-28x

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Solution for 13-7x=124-28x equation:


Simplifying
13 + -7x = 124 + -28x

Solving
13 + -7x = 124 + -28x

Solving for variable 'x'.

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

Add '28x' to each side of the equation.
13 + -7x + 28x = 124 + -28x + 28x

Combine like terms: -7x + 28x = 21x
13 + 21x = 124 + -28x + 28x

Combine like terms: -28x + 28x = 0
13 + 21x = 124 + 0
13 + 21x = 124

Add '-13' to each side of the equation.
13 + -13 + 21x = 124 + -13

Combine like terms: 13 + -13 = 0
0 + 21x = 124 + -13
21x = 124 + -13

Combine like terms: 124 + -13 = 111
21x = 111

Divide each side by '21'.
x = 5.285714286

Simplifying
x = 5.285714286

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