-4x-9(10-1)=2(-6x+40)

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Solution for -4x-9(10-1)=2(-6x+40) equation:


Simplifying
-4x + -9(10 + -1) = 2(-6x + 40)

Combine like terms: 10 + -1 = 9
-4x + -9(9) = 2(-6x + 40)

Multiply -9 * 9
-4x + -81 = 2(-6x + 40)

Reorder the terms:
-81 + -4x = 2(-6x + 40)

Reorder the terms:
-81 + -4x = 2(40 + -6x)
-81 + -4x = (40 * 2 + -6x * 2)
-81 + -4x = (80 + -12x)

Solving
-81 + -4x = 80 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-81 + -4x + 12x = 80 + -12x + 12x

Combine like terms: -4x + 12x = 8x
-81 + 8x = 80 + -12x + 12x

Combine like terms: -12x + 12x = 0
-81 + 8x = 80 + 0
-81 + 8x = 80

Add '81' to each side of the equation.
-81 + 81 + 8x = 80 + 81

Combine like terms: -81 + 81 = 0
0 + 8x = 80 + 81
8x = 80 + 81

Combine like terms: 80 + 81 = 161
8x = 161

Divide each side by '8'.
x = 20.125

Simplifying
x = 20.125

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