7x+9=-3(x+3)

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Solution for 7x+9=-3(x+3) equation:


Simplifying
7x + 9 = -3(x + 3)

Reorder the terms:
9 + 7x = -3(x + 3)

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

Solving
9 + 7x = -9 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
9 + 7x + 3x = -9 + -3x + 3x

Combine like terms: 7x + 3x = 10x
9 + 10x = -9 + -3x + 3x

Combine like terms: -3x + 3x = 0
9 + 10x = -9 + 0
9 + 10x = -9

Add '-9' to each side of the equation.
9 + -9 + 10x = -9 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = -9 + -9
10x = -9 + -9

Combine like terms: -9 + -9 = -18
10x = -18

Divide each side by '10'.
x = -1.8

Simplifying
x = -1.8

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