x-7+3x=18

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Solution for x-7+3x=18 equation:


Simplifying
x + -7 + 3x = 18

Reorder the terms:
-7 + x + 3x = 18

Combine like terms: x + 3x = 4x
-7 + 4x = 18

Solving
-7 + 4x = 18

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 4x = 18 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 18 + 7
4x = 18 + 7

Combine like terms: 18 + 7 = 25
4x = 25

Divide each side by '4'.
x = 6.25

Simplifying
x = 6.25

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