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

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


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

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

Remove parenthesis around (-2 + 5x)
45 = -2 + 5x + (2x + -9)

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

Remove parenthesis around (-9 + 2x)
45 = -2 + 5x + -9 + 2x

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

Combine like terms: -2 + -9 = -11
45 = -11 + 5x + 2x

Combine like terms: 5x + 2x = 7x
45 = -11 + 7x

Solving
45 = -11 + 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 + -7x = -11 + 7x + -7x

Combine like terms: 7x + -7x = 0
45 + -7x = -11 + 0
45 + -7x = -11

Add '-45' to each side of the equation.
45 + -45 + -7x = -11 + -45

Combine like terms: 45 + -45 = 0
0 + -7x = -11 + -45
-7x = -11 + -45

Combine like terms: -11 + -45 = -56
-7x = -56

Divide each side by '-7'.
x = 8

Simplifying
x = 8

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