4x-2(8+1)=20x

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Solution for 4x-2(8+1)=20x equation:


Simplifying
4x + -2(8 + 1) = 20x

Combine like terms: 8 + 1 = 9
4x + -2(9) = 20x

Multiply -2 * 9
4x + -18 = 20x

Reorder the terms:
-18 + 4x = 20x

Solving
-18 + 4x = 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-18 + 4x + -20x = 20x + -20x

Combine like terms: 4x + -20x = -16x
-18 + -16x = 20x + -20x

Combine like terms: 20x + -20x = 0
-18 + -16x = 0

Add '18' to each side of the equation.
-18 + 18 + -16x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -16x = 0 + 18
-16x = 0 + 18

Combine like terms: 0 + 18 = 18
-16x = 18

Divide each side by '-16'.
x = -1.125

Simplifying
x = -1.125

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