3x+15=-7x-19

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Solution for 3x+15=-7x-19 equation:


Simplifying
3x + 15 = -7x + -19

Reorder the terms:
15 + 3x = -7x + -19

Reorder the terms:
15 + 3x = -19 + -7x

Solving
15 + 3x = -19 + -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 = -19 + -7x + 7x

Combine like terms: 3x + 7x = 10x
15 + 10x = -19 + -7x + 7x

Combine like terms: -7x + 7x = 0
15 + 10x = -19 + 0
15 + 10x = -19

Add '-15' to each side of the equation.
15 + -15 + 10x = -19 + -15

Combine like terms: 15 + -15 = 0
0 + 10x = -19 + -15
10x = -19 + -15

Combine like terms: -19 + -15 = -34
10x = -34

Divide each side by '10'.
x = -3.4

Simplifying
x = -3.4

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