-21-5=9-10x

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Solution for -21-5=9-10x equation:


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

Combine like terms: -21 + -5 = -26
-26 = 9 + -10x

Solving
-26 = 9 + -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.
-26 + 10x = 9 + -10x + 10x

Combine like terms: -10x + 10x = 0
-26 + 10x = 9 + 0
-26 + 10x = 9

Add '26' to each side of the equation.
-26 + 26 + 10x = 9 + 26

Combine like terms: -26 + 26 = 0
0 + 10x = 9 + 26
10x = 9 + 26

Combine like terms: 9 + 26 = 35
10x = 35

Divide each side by '10'.
x = 3.5

Simplifying
x = 3.5

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