(R-3)2=49

Solution for (R-3)2=49 equation:

Simplifying
(R + -3) * 2 = 49

Reorder the terms:
(-3 + R) * 2 = 49

Reorder the terms for easier multiplication:
2(-3 + R) = 49
(-3 * 2 + R * 2) = 49
(-6 + 2R) = 49

Solving
-6 + 2R = 49

Solving for variable 'R'.

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

Add '6' to each side of the equation.
-6 + 6 + 2R = 49 + 6

Combine like terms: -6 + 6 = 0
0 + 2R = 49 + 6
2R = 49 + 6

Combine like terms: 49 + 6 = 55
2R = 55

Divide each side by '2'.
R = 27.5

Simplifying
R = 27.5