3(5x+3)=-x-7

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Solution for 3(5x+3)=-x-7 equation:


Simplifying
3(5x + 3) = -1x + -7

Reorder the terms:
3(3 + 5x) = -1x + -7
(3 * 3 + 5x * 3) = -1x + -7
(9 + 15x) = -1x + -7

Reorder the terms:
9 + 15x = -7 + -1x

Solving
9 + 15x = -7 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
9 + 15x + x = -7 + -1x + x

Combine like terms: 15x + x = 16x
9 + 16x = -7 + -1x + x

Combine like terms: -1x + x = 0
9 + 16x = -7 + 0
9 + 16x = -7

Add '-9' to each side of the equation.
9 + -9 + 16x = -7 + -9

Combine like terms: 9 + -9 = 0
0 + 16x = -7 + -9
16x = -7 + -9

Combine like terms: -7 + -9 = -16
16x = -16

Divide each side by '16'.
x = -1

Simplifying
x = -1

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