9-7x=126-28x

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Solution for 9-7x=126-28x equation:


Simplifying
9 + -7x = 126 + -28x

Solving
9 + -7x = 126 + -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.
9 + -7x + 28x = 126 + -28x + 28x

Combine like terms: -7x + 28x = 21x
9 + 21x = 126 + -28x + 28x

Combine like terms: -28x + 28x = 0
9 + 21x = 126 + 0
9 + 21x = 126

Add '-9' to each side of the equation.
9 + -9 + 21x = 126 + -9

Combine like terms: 9 + -9 = 0
0 + 21x = 126 + -9
21x = 126 + -9

Combine like terms: 126 + -9 = 117
21x = 117

Divide each side by '21'.
x = 5.571428571

Simplifying
x = 5.571428571

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