7x-9+2(2x+1)=-4(x+4)

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Solution for 7x-9+2(2x+1)=-4(x+4) equation:


Simplifying
7x + -9 + 2(2x + 1) = -4(x + 4)

Reorder the terms:
7x + -9 + 2(1 + 2x) = -4(x + 4)
7x + -9 + (1 * 2 + 2x * 2) = -4(x + 4)
7x + -9 + (2 + 4x) = -4(x + 4)

Reorder the terms:
-9 + 2 + 7x + 4x = -4(x + 4)

Combine like terms: -9 + 2 = -7
-7 + 7x + 4x = -4(x + 4)

Combine like terms: 7x + 4x = 11x
-7 + 11x = -4(x + 4)

Reorder the terms:
-7 + 11x = -4(4 + x)
-7 + 11x = (4 * -4 + x * -4)
-7 + 11x = (-16 + -4x)

Solving
-7 + 11x = -16 + -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.
-7 + 11x + 4x = -16 + -4x + 4x

Combine like terms: 11x + 4x = 15x
-7 + 15x = -16 + -4x + 4x

Combine like terms: -4x + 4x = 0
-7 + 15x = -16 + 0
-7 + 15x = -16

Add '7' to each side of the equation.
-7 + 7 + 15x = -16 + 7

Combine like terms: -7 + 7 = 0
0 + 15x = -16 + 7
15x = -16 + 7

Combine like terms: -16 + 7 = -9
15x = -9

Divide each side by '15'.
x = -0.6

Simplifying
x = -0.6

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