71-7x=11x+21

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Solution for 71-7x=11x+21 equation:


Simplifying
71 + -7x = 11x + 21

Reorder the terms:
71 + -7x = 21 + 11x

Solving
71 + -7x = 21 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
71 + -7x + -11x = 21 + 11x + -11x

Combine like terms: -7x + -11x = -18x
71 + -18x = 21 + 11x + -11x

Combine like terms: 11x + -11x = 0
71 + -18x = 21 + 0
71 + -18x = 21

Add '-71' to each side of the equation.
71 + -71 + -18x = 21 + -71

Combine like terms: 71 + -71 = 0
0 + -18x = 21 + -71
-18x = 21 + -71

Combine like terms: 21 + -71 = -50
-18x = -50

Divide each side by '-18'.
x = 2.777777778

Simplifying
x = 2.777777778

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