0.5(3x+x)=-x-3

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Solution for 0.5(3x+x)=-x-3 equation:


Simplifying
0.5(3x + x) = -1x + -3

Combine like terms: 3x + x = 4x
0.5(4x) = -1x + -3

Remove parenthesis around (4x)
0.5 * 4x = -1x + -3

Multiply 0.5 * 4
2x = -1x + -3

Reorder the terms:
2x = -3 + -1x

Solving
2x = -3 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
2x + x = -3 + -1x + x

Combine like terms: 2x + x = 3x
3x = -3 + -1x + x

Combine like terms: -1x + x = 0
3x = -3 + 0
3x = -3

Divide each side by '3'.
x = -1

Simplifying
x = -1

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