21-2x=-49

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Solution for 21-2x=-49 equation: 


Simplifying
21 + -2x = -49

Solving
21 + -2x = -49

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -2x = -49 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = -49 + -21
-2x = -49 + -21

Combine like terms: -49 + -21 = -70
-2x = -70

Divide each side by '-2'.
x = 35

Simplifying
x = 35

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