3(3x)=7x+9

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Solution for 3(3x)=7x+9 equation:


Simplifying
3(3x) = 7x + 9

Remove parenthesis around (3x)
3 * 3x = 7x + 9

Multiply 3 * 3
9x = 7x + 9

Reorder the terms:
9x = 9 + 7x

Solving
9x = 9 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
9x + -7x = 9 + 7x + -7x

Combine like terms: 9x + -7x = 2x
2x = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
2x = 9 + 0
2x = 9

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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