21x+18=17x+56

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Solution for 21x+18=17x+56 equation:


Simplifying
21x + 18 = 17x + 56

Reorder the terms:
18 + 21x = 17x + 56

Reorder the terms:
18 + 21x = 56 + 17x

Solving
18 + 21x = 56 + 17x

Solving for variable 'x'.

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

Add '-17x' to each side of the equation.
18 + 21x + -17x = 56 + 17x + -17x

Combine like terms: 21x + -17x = 4x
18 + 4x = 56 + 17x + -17x

Combine like terms: 17x + -17x = 0
18 + 4x = 56 + 0
18 + 4x = 56

Add '-18' to each side of the equation.
18 + -18 + 4x = 56 + -18

Combine like terms: 18 + -18 = 0
0 + 4x = 56 + -18
4x = 56 + -18

Combine like terms: 56 + -18 = 38
4x = 38

Divide each side by '4'.
x = 9.5

Simplifying
x = 9.5

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