9-7x=111-28x

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Solution for 9-7x=111-28x equation:


Simplifying
9 + -7x = 111 + -28x

Solving
9 + -7x = 111 + -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 = 111 + -28x + 28x

Combine like terms: -7x + 28x = 21x
9 + 21x = 111 + -28x + 28x

Combine like terms: -28x + 28x = 0
9 + 21x = 111 + 0
9 + 21x = 111

Add '-9' to each side of the equation.
9 + -9 + 21x = 111 + -9

Combine like terms: 9 + -9 = 0
0 + 21x = 111 + -9
21x = 111 + -9

Combine like terms: 111 + -9 = 102
21x = 102

Divide each side by '21'.
x = 4.857142857

Simplifying
x = 4.857142857

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