5+x+9+3x=42

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Solution for 5+x+9+3x=42 equation:


Simplifying
5 + x + 9 + 3x = 42

Reorder the terms:
5 + 9 + x + 3x = 42

Combine like terms: 5 + 9 = 14
14 + x + 3x = 42

Combine like terms: x + 3x = 4x
14 + 4x = 42

Solving
14 + 4x = 42

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + 4x = 42 + -14

Combine like terms: 14 + -14 = 0
0 + 4x = 42 + -14
4x = 42 + -14

Combine like terms: 42 + -14 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

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