x+4=3(x-1)+78

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Solution for x+4=3(x-1)+78 equation:


Simplifying
x + 4 = 3(x + -1) + 78

Reorder the terms:
4 + x = 3(x + -1) + 78

Reorder the terms:
4 + x = 3(-1 + x) + 78
4 + x = (-1 * 3 + x * 3) + 78
4 + x = (-3 + 3x) + 78

Reorder the terms:
4 + x = -3 + 78 + 3x

Combine like terms: -3 + 78 = 75
4 + x = 75 + 3x

Solving
4 + x = 75 + 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 + x + -3x = 75 + 3x + -3x

Combine like terms: x + -3x = -2x
4 + -2x = 75 + 3x + -3x

Combine like terms: 3x + -3x = 0
4 + -2x = 75 + 0
4 + -2x = 75

Add '-4' to each side of the equation.
4 + -4 + -2x = 75 + -4

Combine like terms: 4 + -4 = 0
0 + -2x = 75 + -4
-2x = 75 + -4

Combine like terms: 75 + -4 = 71
-2x = 71

Divide each side by '-2'.
x = -35.5

Simplifying
x = -35.5

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