x+4+x-7+x=45

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Solution for x+4+x-7+x=45 equation:


Simplifying
x + 4 + x + -7 + x = 45

Reorder the terms:
4 + -7 + x + x + x = 45

Combine like terms: 4 + -7 = -3
-3 + x + x + x = 45

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

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

Solving
-3 + 3x = 45

Solving for variable 'x'.

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

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

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

Combine like terms: 45 + 3 = 48
3x = 48

Divide each side by '3'.
x = 16

Simplifying
x = 16

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