7x+3x-4x=3-3(x+4)

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Solution for 7x+3x-4x=3-3(x+4) equation:


Simplifying
7x + 3x + -4x = 3 + -3(x + 4)

Combine like terms: 7x + 3x = 10x
10x + -4x = 3 + -3(x + 4)

Combine like terms: 10x + -4x = 6x
6x = 3 + -3(x + 4)

Reorder the terms:
6x = 3 + -3(4 + x)
6x = 3 + (4 * -3 + x * -3)
6x = 3 + (-12 + -3x)

Combine like terms: 3 + -12 = -9
6x = -9 + -3x

Solving
6x = -9 + -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.
6x + 3x = -9 + -3x + 3x

Combine like terms: 6x + 3x = 9x
9x = -9 + -3x + 3x

Combine like terms: -3x + 3x = 0
9x = -9 + 0
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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