56=-9x-21

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Solution for 56=-9x-21 equation:


Simplifying
56 = -9x + -21

Reorder the terms:
56 = -21 + -9x

Solving
56 = -21 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
56 + 9x = -21 + -9x + 9x

Combine like terms: -9x + 9x = 0
56 + 9x = -21 + 0
56 + 9x = -21

Add '-56' to each side of the equation.
56 + -56 + 9x = -21 + -56

Combine like terms: 56 + -56 = 0
0 + 9x = -21 + -56
9x = -21 + -56

Combine like terms: -21 + -56 = -77
9x = -77

Divide each side by '9'.
x = -8.555555556

Simplifying
x = -8.555555556

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