7(x-9)-3(2x+9)=5(-3x-4)

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Solution for 7(x-9)-3(2x+9)=5(-3x-4) equation:


Simplifying
7(x + -9) + -3(2x + 9) = 5(-3x + -4)

Reorder the terms:
7(-9 + x) + -3(2x + 9) = 5(-3x + -4)
(-9 * 7 + x * 7) + -3(2x + 9) = 5(-3x + -4)
(-63 + 7x) + -3(2x + 9) = 5(-3x + -4)

Reorder the terms:
-63 + 7x + -3(9 + 2x) = 5(-3x + -4)
-63 + 7x + (9 * -3 + 2x * -3) = 5(-3x + -4)
-63 + 7x + (-27 + -6x) = 5(-3x + -4)

Reorder the terms:
-63 + -27 + 7x + -6x = 5(-3x + -4)

Combine like terms: -63 + -27 = -90
-90 + 7x + -6x = 5(-3x + -4)

Combine like terms: 7x + -6x = 1x
-90 + 1x = 5(-3x + -4)

Reorder the terms:
-90 + 1x = 5(-4 + -3x)
-90 + 1x = (-4 * 5 + -3x * 5)
-90 + 1x = (-20 + -15x)

Solving
-90 + 1x = -20 + -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
-90 + 1x + 15x = -20 + -15x + 15x

Combine like terms: 1x + 15x = 16x
-90 + 16x = -20 + -15x + 15x

Combine like terms: -15x + 15x = 0
-90 + 16x = -20 + 0
-90 + 16x = -20

Add '90' to each side of the equation.
-90 + 90 + 16x = -20 + 90

Combine like terms: -90 + 90 = 0
0 + 16x = -20 + 90
16x = -20 + 90

Combine like terms: -20 + 90 = 70
16x = 70

Divide each side by '16'.
x = 4.375

Simplifying
x = 4.375

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