20=21x+56

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Solution for 20=21x+56 equation:


Simplifying
20 = 21x + 56

Reorder the terms:
20 = 56 + 21x

Solving
20 = 56 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
20 + -21x = 56 + 21x + -21x

Combine like terms: 21x + -21x = 0
20 + -21x = 56 + 0
20 + -21x = 56

Add '-20' to each side of the equation.
20 + -20 + -21x = 56 + -20

Combine like terms: 20 + -20 = 0
0 + -21x = 56 + -20
-21x = 56 + -20

Combine like terms: 56 + -20 = 36
-21x = 36

Divide each side by '-21'.
x = -1.714285714

Simplifying
x = -1.714285714

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