x-7+3x-14=2x+15

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Solution for x-7+3x-14=2x+15 equation:


Simplifying
x + -7 + 3x + -14 = 2x + 15

Reorder the terms:
-7 + -14 + x + 3x = 2x + 15

Combine like terms: -7 + -14 = -21
-21 + x + 3x = 2x + 15

Combine like terms: x + 3x = 4x
-21 + 4x = 2x + 15

Reorder the terms:
-21 + 4x = 15 + 2x

Solving
-21 + 4x = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + 4x + -2x = 15 + 2x + -2x

Combine like terms: 4x + -2x = 2x
-21 + 2x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + 2x = 15 + 0
-21 + 2x = 15

Add '21' to each side of the equation.
-21 + 21 + 2x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 15 + 21
2x = 15 + 21

Combine like terms: 15 + 21 = 36
2x = 36

Divide each side by '2'.
x = 18

Simplifying
x = 18

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