9(5+x)=15(10+x)

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Solution for 9(5+x)=15(10+x) equation:


Simplifying
9(5 + x) = 15(10 + x)
(5 * 9 + x * 9) = 15(10 + x)
(45 + 9x) = 15(10 + x)
45 + 9x = (10 * 15 + x * 15)
45 + 9x = (150 + 15x)

Solving
45 + 9x = 150 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
45 + 9x + -15x = 150 + 15x + -15x

Combine like terms: 9x + -15x = -6x
45 + -6x = 150 + 15x + -15x

Combine like terms: 15x + -15x = 0
45 + -6x = 150 + 0
45 + -6x = 150

Add '-45' to each side of the equation.
45 + -45 + -6x = 150 + -45

Combine like terms: 45 + -45 = 0
0 + -6x = 150 + -45
-6x = 150 + -45

Combine like terms: 150 + -45 = 105
-6x = 105

Divide each side by '-6'.
x = -17.5

Simplifying
x = -17.5

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