21x+7=8+18x

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Solution for 21x+7=8+18x equation:


Simplifying
21x + 7 = 8 + 18x

Reorder the terms:
7 + 21x = 8 + 18x

Solving
7 + 21x = 8 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
7 + 21x + -18x = 8 + 18x + -18x

Combine like terms: 21x + -18x = 3x
7 + 3x = 8 + 18x + -18x

Combine like terms: 18x + -18x = 0
7 + 3x = 8 + 0
7 + 3x = 8

Add '-7' to each side of the equation.
7 + -7 + 3x = 8 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 8 + -7
3x = 8 + -7

Combine like terms: 8 + -7 = 1
3x = 1

Divide each side by '3'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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