2x+9=3(5x-7)

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Solution for 2x+9=3(5x-7) equation:


Simplifying
2x + 9 = 3(5x + -7)

Reorder the terms:
9 + 2x = 3(5x + -7)

Reorder the terms:
9 + 2x = 3(-7 + 5x)
9 + 2x = (-7 * 3 + 5x * 3)
9 + 2x = (-21 + 15x)

Solving
9 + 2x = -21 + 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.
9 + 2x + -15x = -21 + 15x + -15x

Combine like terms: 2x + -15x = -13x
9 + -13x = -21 + 15x + -15x

Combine like terms: 15x + -15x = 0
9 + -13x = -21 + 0
9 + -13x = -21

Add '-9' to each side of the equation.
9 + -9 + -13x = -21 + -9

Combine like terms: 9 + -9 = 0
0 + -13x = -21 + -9
-13x = -21 + -9

Combine like terms: -21 + -9 = -30
-13x = -30

Divide each side by '-13'.
x = 2.307692308

Simplifying
x = 2.307692308

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