21x+27=-15

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Solution for 21x+27=-15 equation: 


Simplifying
21x + 27 = -15

Reorder the terms:
27 + 21x = -15

Solving
27 + 21x = -15

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 21x = -15 + -27

Combine like terms: 27 + -27 = 0
0 + 21x = -15 + -27
21x = -15 + -27

Combine like terms: -15 + -27 = -42
21x = -42

Divide each side by '21'.
x = -2

Simplifying
x = -2

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