x+5+3x-3=12

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Solution for x+5+3x-3=12 equation:


Simplifying
x + 5 + 3x + -3 = 12

Reorder the terms:
5 + -3 + x + 3x = 12

Combine like terms: 5 + -3 = 2
2 + x + 3x = 12

Combine like terms: x + 3x = 4x
2 + 4x = 12

Solving
2 + 4x = 12

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 4x = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 12 + -2
4x = 12 + -2

Combine like terms: 12 + -2 = 10
4x = 10

Divide each side by '4'.
x = 2.5

Simplifying
x = 2.5

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