4-5(1-9x)=-20

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Solution for 4-5(1-9x)=-20 equation:


Simplifying
4 + -5(1 + -9x) = -20
4 + (1 * -5 + -9x * -5) = -20
4 + (-5 + 45x) = -20

Combine like terms: 4 + -5 = -1
-1 + 45x = -20

Solving
-1 + 45x = -20

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 45x = -20 + 1

Combine like terms: -1 + 1 = 0
0 + 45x = -20 + 1
45x = -20 + 1

Combine like terms: -20 + 1 = -19
45x = -19

Divide each side by '45'.
x = -0.4222222222

Simplifying
x = -0.4222222222

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