18(x+18)=21*21

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Solution for 18(x+18)=21*21 equation:


Simplifying
18(x + 18) = 21 * 21

Reorder the terms:
18(18 + x) = 21 * 21
(18 * 18 + x * 18) = 21 * 21
(324 + 18x) = 21 * 21

Multiply 21 * 21
324 + 18x = 441

Solving
324 + 18x = 441

Solving for variable 'x'.

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

Add '-324' to each side of the equation.
324 + -324 + 18x = 441 + -324

Combine like terms: 324 + -324 = 0
0 + 18x = 441 + -324
18x = 441 + -324

Combine like terms: 441 + -324 = 117
18x = 117

Divide each side by '18'.
x = 6.5

Simplifying
x = 6.5

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