2x-3=16r+21

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Solution for 2x-3=16r+21 equation:


Simplifying
2x + -3 = 16r + 21

Reorder the terms:
-3 + 2x = 16r + 21

Reorder the terms:
-3 + 2x = 21 + 16r

Solving
-3 + 2x = 21 + 16r

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 2x = 21 + 3 + 16r

Combine like terms: -3 + 3 = 0
0 + 2x = 21 + 3 + 16r
2x = 21 + 3 + 16r

Combine like terms: 21 + 3 = 24
2x = 24 + 16r

Divide each side by '2'.
x = 12 + 8r

Simplifying
x = 12 + 8r

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