4=100-3(x+4)

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Solution for 4=100-3(x+4) equation:


Simplifying
4 = 100 + -3(x + 4)

Reorder the terms:
4 = 100 + -3(4 + x)
4 = 100 + (4 * -3 + x * -3)
4 = 100 + (-12 + -3x)

Combine like terms: 100 + -12 = 88
4 = 88 + -3x

Solving
4 = 88 + -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.
4 + 3x = 88 + -3x + 3x

Combine like terms: -3x + 3x = 0
4 + 3x = 88 + 0
4 + 3x = 88

Add '-4' to each side of the equation.
4 + -4 + 3x = 88 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 88 + -4
3x = 88 + -4

Combine like terms: 88 + -4 = 84
3x = 84

Divide each side by '3'.
x = 28

Simplifying
x = 28

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