3x-5=7x+x-15

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Solution for 3x-5=7x+x-15 equation:


Simplifying
3x + -5 = 7x + x + -15

Reorder the terms:
-5 + 3x = 7x + x + -15

Reorder the terms:
-5 + 3x = -15 + 7x + x

Combine like terms: 7x + x = 8x
-5 + 3x = -15 + 8x

Solving
-5 + 3x = -15 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-5 + 3x + -8x = -15 + 8x + -8x

Combine like terms: 3x + -8x = -5x
-5 + -5x = -15 + 8x + -8x

Combine like terms: 8x + -8x = 0
-5 + -5x = -15 + 0
-5 + -5x = -15

Add '5' to each side of the equation.
-5 + 5 + -5x = -15 + 5

Combine like terms: -5 + 5 = 0
0 + -5x = -15 + 5
-5x = -15 + 5

Combine like terms: -15 + 5 = -10
-5x = -10

Divide each side by '-5'.
x = 2

Simplifying
x = 2

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