3x+4=-(X-20)

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Solution for 3x+4=-(X-20) equation:


Simplifying
3x + 4 = -1(X + -20)

Reorder the terms:
4 + 3x = -1(X + -20)

Reorder the terms:
4 + 3x = -1(-20 + X)
4 + 3x = (-20 * -1 + X * -1)
4 + 3x = (20 + -1X)

Solving
4 + 3x = 20 + -1X

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 3x = 20 + -4 + -1X

Combine like terms: 4 + -4 = 0
0 + 3x = 20 + -4 + -1X
3x = 20 + -4 + -1X

Combine like terms: 20 + -4 = 16
3x = 16 + -1X

Divide each side by '3'.
x = 5.333333333 + -0.3333333333X

Simplifying
x = 5.333333333 + -0.3333333333X

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