21x+40+21=0

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Solution for 21x+40+21=0 equation:


Simplifying
21x + 40 + 21 = 0

Reorder the terms:
40 + 21 + 21x = 0

Combine like terms: 40 + 21 = 61
61 + 21x = 0

Solving
61 + 21x = 0

Solving for variable 'x'.

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

Add '-61' to each side of the equation.
61 + -61 + 21x = 0 + -61

Combine like terms: 61 + -61 = 0
0 + 21x = 0 + -61
21x = 0 + -61

Combine like terms: 0 + -61 = -61
21x = -61

Divide each side by '21'.
x = -2.904761905

Simplifying
x = -2.904761905

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