9x(4+5)=3(7x-5x)+12

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Solution for 9x(4+5)=3(7x-5x)+12 equation:


Simplifying
9x(4 + 5) = 3(7x + -5x) + 12

Combine like terms: 4 + 5 = 9
9x(9) = 3(7x + -5x) + 12

Reorder the terms for easier multiplication:
9 * 9x = 3(7x + -5x) + 12

Multiply 9 * 9
81x = 3(7x + -5x) + 12

Combine like terms: 7x + -5x = 2x
81x = 3(2x) + 12

Remove parenthesis around (2x)
81x = 3 * 2x + 12

Multiply 3 * 2
81x = 6x + 12

Reorder the terms:
81x = 12 + 6x

Solving
81x = 12 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
81x + -6x = 12 + 6x + -6x

Combine like terms: 81x + -6x = 75x
75x = 12 + 6x + -6x

Combine like terms: 6x + -6x = 0
75x = 12 + 0
75x = 12

Divide each side by '75'.
x = 0.16

Simplifying
x = 0.16

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