3(5+2x)=9(5+1x)

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Solution for 3(5+2x)=9(5+1x) equation: 


Simplifying
3(5 + 2x) = 9(5 + 1x)
(5 * 3 + 2x * 3) = 9(5 + 1x)
(15 + 6x) = 9(5 + 1x)
15 + 6x = (5 * 9 + 1x * 9)
15 + 6x = (45 + 9x)

Solving
15 + 6x = 45 + 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 = 45 + 9x + -9x

Combine like terms: 6x + -9x = -3x
15 + -3x = 45 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -3x = 45 + 0
15 + -3x = 45

Add '-15' to each side of the equation.
15 + -15 + -3x = 45 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = 45 + -15
-3x = 45 + -15

Combine like terms: 45 + -15 = 30
-3x = 30

Divide each side by '-3'.
x = -10

Simplifying
x = -10

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