3(2x-5)=9(10-x)

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Solution for 3(2x-5)=9(10-x) equation:


Simplifying
3(2x + -5) = 9(10 + -1x)

Reorder the terms:
3(-5 + 2x) = 9(10 + -1x)
(-5 * 3 + 2x * 3) = 9(10 + -1x)
(-15 + 6x) = 9(10 + -1x)
-15 + 6x = (10 * 9 + -1x * 9)
-15 + 6x = (90 + -9x)

Solving
-15 + 6x = 90 + -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.
-15 + 6x + 9x = 90 + -9x + 9x

Combine like terms: 6x + 9x = 15x
-15 + 15x = 90 + -9x + 9x

Combine like terms: -9x + 9x = 0
-15 + 15x = 90 + 0
-15 + 15x = 90

Add '15' to each side of the equation.
-15 + 15 + 15x = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 15x = 90 + 15
15x = 90 + 15

Combine like terms: 90 + 15 = 105
15x = 105

Divide each side by '15'.
x = 7

Simplifying
x = 7

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