x+45=15+4x

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Solution for x+45=15+4x equation:


Simplifying
x + 45 = 15 + 4x

Reorder the terms:
45 + x = 15 + 4x

Solving
45 + x = 15 + 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 + x + -4x = 15 + 4x + -4x

Combine like terms: x + -4x = -3x
45 + -3x = 15 + 4x + -4x

Combine like terms: 4x + -4x = 0
45 + -3x = 15 + 0
45 + -3x = 15

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

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

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

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

Simplifying
x = 10

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