5x(2)=9x+21

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Solution for 5x(2)=9x+21 equation:


Simplifying
5x(2) = 9x + 21

Reorder the terms for easier multiplication:
5 * 2x = 9x + 21

Multiply 5 * 2
10x = 9x + 21

Reorder the terms:
10x = 21 + 9x

Solving
10x = 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.
10x + -9x = 21 + 9x + -9x

Combine like terms: 10x + -9x = 1x
1x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
1x = 21 + 0
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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