=3x-7x-4

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Solution for =3x-7x-4 equation: 


Simplifying
0 = 3x + -7x + -4

Reorder the terms:
0 = -4 + 3x + -7x

Combine like terms: 3x + -7x = -4x
0 = -4 + -4x

Solving
0 = -4 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
0 + 4x = -4 + -4x + 4x
Remove the zero:
4x = -4 + -4x + 4x

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

Divide each side by '4'.
x = -1

Simplifying
x = -1

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