-(x-1)-4(x-5)=66

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Solution for -(x-1)-4(x-5)=66 equation:


Simplifying
-1(x + -1) + -4(x + -5) = 66

Reorder the terms:
-1(-1 + x) + -4(x + -5) = 66
(-1 * -1 + x * -1) + -4(x + -5) = 66
(1 + -1x) + -4(x + -5) = 66

Reorder the terms:
1 + -1x + -4(-5 + x) = 66
1 + -1x + (-5 * -4 + x * -4) = 66
1 + -1x + (20 + -4x) = 66

Reorder the terms:
1 + 20 + -1x + -4x = 66

Combine like terms: 1 + 20 = 21
21 + -1x + -4x = 66

Combine like terms: -1x + -4x = -5x
21 + -5x = 66

Solving
21 + -5x = 66

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -5x = 66 + -21

Combine like terms: 21 + -21 = 0
0 + -5x = 66 + -21
-5x = 66 + -21

Combine like terms: 66 + -21 = 45
-5x = 45

Divide each side by '-5'.
x = -9

Simplifying
x = -9

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