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

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


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

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

Combine like terms: -20 + 4 = -16
-16 + -4x = -15

Solving
-16 + -4x = -15

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + -4x = -15 + 16

Combine like terms: -16 + 16 = 0
0 + -4x = -15 + 16
-4x = -15 + 16

Combine like terms: -15 + 16 = 1
-4x = 1

Divide each side by '-4'.
x = -0.25

Simplifying
x = -0.25

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