45=(3*x)+(x-5)

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


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

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

Remove parenthesis around (-5 + x)
45 = (3x) + -5 + x

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

Combine like terms: (3x) + x = 4x
45 = -5 + 4x

Solving
45 = -5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
45 + -4x = -5 + 4x + -4x

Combine like terms: 4x + -4x = 0
45 + -4x = -5 + 0
45 + -4x = -5

Add '-45' to each side of the equation.
45 + -45 + -4x = -5 + -45

Combine like terms: 45 + -45 = 0
0 + -4x = -5 + -45
-4x = -5 + -45

Combine like terms: -5 + -45 = -50
-4x = -50

Divide each side by '-4'.
x = 12.5

Simplifying
x = 12.5

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