-3x+45=2x+5(x-9)

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Solution for -3x+45=2x+5(x-9) equation:


Simplifying
-3x + 45 = 2x + 5(x + -9)

Reorder the terms:
45 + -3x = 2x + 5(x + -9)

Reorder the terms:
45 + -3x = 2x + 5(-9 + x)
45 + -3x = 2x + (-9 * 5 + x * 5)
45 + -3x = 2x + (-45 + 5x)

Reorder the terms:
45 + -3x = -45 + 2x + 5x

Combine like terms: 2x + 5x = 7x
45 + -3x = -45 + 7x

Solving
45 + -3x = -45 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
45 + -3x + -7x = -45 + 7x + -7x

Combine like terms: -3x + -7x = -10x
45 + -10x = -45 + 7x + -7x

Combine like terms: 7x + -7x = 0
45 + -10x = -45 + 0
45 + -10x = -45

Add '-45' to each side of the equation.
45 + -45 + -10x = -45 + -45

Combine like terms: 45 + -45 = 0
0 + -10x = -45 + -45
-10x = -45 + -45

Combine like terms: -45 + -45 = -90
-10x = -90

Divide each side by '-10'.
x = 9

Simplifying
x = 9

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