9x-(3x+4)=15-2(x+4)

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Solution for 9x-(3x+4)=15-2(x+4) equation:


Simplifying
9x + -1(3x + 4) = 15 + -2(x + 4)

Reorder the terms:
9x + -1(4 + 3x) = 15 + -2(x + 4)
9x + (4 * -1 + 3x * -1) = 15 + -2(x + 4)
9x + (-4 + -3x) = 15 + -2(x + 4)

Reorder the terms:
-4 + 9x + -3x = 15 + -2(x + 4)

Combine like terms: 9x + -3x = 6x
-4 + 6x = 15 + -2(x + 4)

Reorder the terms:
-4 + 6x = 15 + -2(4 + x)
-4 + 6x = 15 + (4 * -2 + x * -2)
-4 + 6x = 15 + (-8 + -2x)

Combine like terms: 15 + -8 = 7
-4 + 6x = 7 + -2x

Solving
-4 + 6x = 7 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-4 + 6x + 2x = 7 + -2x + 2x

Combine like terms: 6x + 2x = 8x
-4 + 8x = 7 + -2x + 2x

Combine like terms: -2x + 2x = 0
-4 + 8x = 7 + 0
-4 + 8x = 7

Add '4' to each side of the equation.
-4 + 4 + 8x = 7 + 4

Combine like terms: -4 + 4 = 0
0 + 8x = 7 + 4
8x = 7 + 4

Combine like terms: 7 + 4 = 11
8x = 11

Divide each side by '8'.
x = 1.375

Simplifying
x = 1.375

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