12-7x=102-28x

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Solution for 12-7x=102-28x equation:


Simplifying
12 + -7x = 102 + -28x

Solving
12 + -7x = 102 + -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.
12 + -7x + 28x = 102 + -28x + 28x

Combine like terms: -7x + 28x = 21x
12 + 21x = 102 + -28x + 28x

Combine like terms: -28x + 28x = 0
12 + 21x = 102 + 0
12 + 21x = 102

Add '-12' to each side of the equation.
12 + -12 + 21x = 102 + -12

Combine like terms: 12 + -12 = 0
0 + 21x = 102 + -12
21x = 102 + -12

Combine like terms: 102 + -12 = 90
21x = 90

Divide each side by '21'.
x = 4.285714286

Simplifying
x = 4.285714286

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