-20-(4x-1-1)=-15

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Solution for -20-(4x-1-1)=-15 equation:


Simplifying
-20 + -1(4x + -1 + -1) = -15

Reorder the terms:
-20 + -1(-1 + -1 + 4x) = -15

Combine like terms: -1 + -1 = -2
-20 + -1(-2 + 4x) = -15
-20 + (-2 * -1 + 4x * -1) = -15
-20 + (2 + -4x) = -15

Combine like terms: -20 + 2 = -18
-18 + -4x = -15

Solving
-18 + -4x = -15

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + -4x = -15 + 18

Combine like terms: -18 + 18 = 0
0 + -4x = -15 + 18
-4x = -15 + 18

Combine like terms: -15 + 18 = 3
-4x = 3

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

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