7=-4(x-4)+9(x-6)

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Solution for 7=-4(x-4)+9(x-6) equation:


Simplifying
7 = -4(x + -4) + 9(x + -6)

Reorder the terms:
7 = -4(-4 + x) + 9(x + -6)
7 = (-4 * -4 + x * -4) + 9(x + -6)
7 = (16 + -4x) + 9(x + -6)

Reorder the terms:
7 = 16 + -4x + 9(-6 + x)
7 = 16 + -4x + (-6 * 9 + x * 9)
7 = 16 + -4x + (-54 + 9x)

Reorder the terms:
7 = 16 + -54 + -4x + 9x

Combine like terms: 16 + -54 = -38
7 = -38 + -4x + 9x

Combine like terms: -4x + 9x = 5x
7 = -38 + 5x

Solving
7 = -38 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7 + -5x = -38 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + -5x = -38 + 0
7 + -5x = -38

Add '-7' to each side of the equation.
7 + -7 + -5x = -38 + -7

Combine like terms: 7 + -7 = 0
0 + -5x = -38 + -7
-5x = -38 + -7

Combine like terms: -38 + -7 = -45
-5x = -45

Divide each side by '-5'.
x = 9

Simplifying
x = 9

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