5-2(10-4x)+20-3(-2+5x)=9

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Solution for 5-2(10-4x)+20-3(-2+5x)=9 equation:


Simplifying
5 + -2(10 + -4x) + 20 + -3(-2 + 5x) = 9
5 + (10 * -2 + -4x * -2) + 20 + -3(-2 + 5x) = 9
5 + (-20 + 8x) + 20 + -3(-2 + 5x) = 9
5 + -20 + 8x + 20 + (-2 * -3 + 5x * -3) = 9
5 + -20 + 8x + 20 + (6 + -15x) = 9

Reorder the terms:
5 + -20 + 20 + 6 + 8x + -15x = 9

Combine like terms: 5 + -20 = -15
-15 + 20 + 6 + 8x + -15x = 9

Combine like terms: -15 + 20 = 5
5 + 6 + 8x + -15x = 9

Combine like terms: 5 + 6 = 11
11 + 8x + -15x = 9

Combine like terms: 8x + -15x = -7x
11 + -7x = 9

Solving
11 + -7x = 9

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -7x = 9 + -11

Combine like terms: 11 + -11 = 0
0 + -7x = 9 + -11
-7x = 9 + -11

Combine like terms: 9 + -11 = -2
-7x = -2

Divide each side by '-7'.
x = 0.2857142857

Simplifying
x = 0.2857142857

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