7x-4=-(3x+9)

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Solution for 7x-4=-(3x+9) equation:


Simplifying
7x + -4 = -1(3x + 9)

Reorder the terms:
-4 + 7x = -1(3x + 9)

Reorder the terms:
-4 + 7x = -1(9 + 3x)
-4 + 7x = (9 * -1 + 3x * -1)
-4 + 7x = (-9 + -3x)

Solving
-4 + 7x = -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.
-4 + 7x + 3x = -9 + -3x + 3x

Combine like terms: 7x + 3x = 10x
-4 + 10x = -9 + -3x + 3x

Combine like terms: -3x + 3x = 0
-4 + 10x = -9 + 0
-4 + 10x = -9

Add '4' to each side of the equation.
-4 + 4 + 10x = -9 + 4

Combine like terms: -4 + 4 = 0
0 + 10x = -9 + 4
10x = -9 + 4

Combine like terms: -9 + 4 = -5
10x = -5

Divide each side by '10'.
x = -0.5

Simplifying
x = -0.5

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