7-7x=121-28x

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Solution for 7-7x=121-28x equation:


Simplifying
7 + -7x = 121 + -28x

Solving
7 + -7x = 121 + -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.
7 + -7x + 28x = 121 + -28x + 28x

Combine like terms: -7x + 28x = 21x
7 + 21x = 121 + -28x + 28x

Combine like terms: -28x + 28x = 0
7 + 21x = 121 + 0
7 + 21x = 121

Add '-7' to each side of the equation.
7 + -7 + 21x = 121 + -7

Combine like terms: 7 + -7 = 0
0 + 21x = 121 + -7
21x = 121 + -7

Combine like terms: 121 + -7 = 114
21x = 114

Divide each side by '21'.
x = 5.428571429

Simplifying
x = 5.428571429

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