-21x-5=40

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Solution for -21x-5=40 equation: 


Simplifying
-21x + -5 = 40

Reorder the terms:
-5 + -21x = 40

Solving
-5 + -21x = 40

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -21x = 40 + 5

Combine like terms: -5 + 5 = 0
0 + -21x = 40 + 5
-21x = 40 + 5

Combine like terms: 40 + 5 = 45
-21x = 45

Divide each side by '-21'.
x = -2.142857143

Simplifying
x = -2.142857143

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