21=-10x-3

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Solution for 21=-10x-3 equation:


Simplifying
21 = -10x + -3

Reorder the terms:
21 = -3 + -10x

Solving
21 = -3 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
21 + 10x = -3 + -10x + 10x

Combine like terms: -10x + 10x = 0
21 + 10x = -3 + 0
21 + 10x = -3

Add '-21' to each side of the equation.
21 + -21 + 10x = -3 + -21

Combine like terms: 21 + -21 = 0
0 + 10x = -3 + -21
10x = -3 + -21

Combine like terms: -3 + -21 = -24
10x = -24

Divide each side by '10'.
x = -2.4

Simplifying
x = -2.4

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