21-5(x+10)=-9

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Solution for 21-5(x+10)=-9 equation:


Simplifying
21 + -5(x + 10) = -9

Reorder the terms:
21 + -5(10 + x) = -9
21 + (10 * -5 + x * -5) = -9
21 + (-50 + -5x) = -9

Combine like terms: 21 + -50 = -29
-29 + -5x = -9

Solving
-29 + -5x = -9

Solving for variable 'x'.

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

Add '29' to each side of the equation.
-29 + 29 + -5x = -9 + 29

Combine like terms: -29 + 29 = 0
0 + -5x = -9 + 29
-5x = -9 + 29

Combine like terms: -9 + 29 = 20
-5x = 20

Divide each side by '-5'.
x = -4

Simplifying
x = -4

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