17=2x+21

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Solution for 17=2x+21 equation:


Simplifying
17 = 2x + 21

Reorder the terms:
17 = 21 + 2x

Solving
17 = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
17 + -2x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
17 + -2x = 21 + 0
17 + -2x = 21

Add '-17' to each side of the equation.
17 + -17 + -2x = 21 + -17

Combine like terms: 17 + -17 = 0
0 + -2x = 21 + -17
-2x = 21 + -17

Combine like terms: 21 + -17 = 4
-2x = 4

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

Simplifying
x = -2

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