7=3-3(x+4)

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Solution for 7=3-3(x+4) equation:


Simplifying
7 = 3 + -3(x + 4)

Reorder the terms:
7 = 3 + -3(4 + x)
7 = 3 + (4 * -3 + x * -3)
7 = 3 + (-12 + -3x)

Combine like terms: 3 + -12 = -9
7 = -9 + -3x

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

Combine like terms: -3x + 3x = 0
7 + 3x = -9 + 0
7 + 3x = -9

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

Combine like terms: 7 + -7 = 0
0 + 3x = -9 + -7
3x = -9 + -7

Combine like terms: -9 + -7 = -16
3x = -16

Divide each side by '3'.
x = -5.333333333

Simplifying
x = -5.333333333

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