-3x-15=7x+5

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


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

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

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

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

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-15 + -3x + -7x = 5 + 7x + -7x

Combine like terms: -3x + -7x = -10x
-15 + -10x = 5 + 7x + -7x

Combine like terms: 7x + -7x = 0
-15 + -10x = 5 + 0
-15 + -10x = 5

Add '15' to each side of the equation.
-15 + 15 + -10x = 5 + 15

Combine like terms: -15 + 15 = 0
0 + -10x = 5 + 15
-10x = 5 + 15

Combine like terms: 5 + 15 = 20
-10x = 20

Divide each side by '-10'.
x = -2

Simplifying
x = -2

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