12540=12000+(1)+R(.5)

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Solution for 12540=12000+(1)+R(.5) equation: 


Simplifying
12540 = 12000 + (1) + R(0.5)
12540 = 12000 + 1 + R(0.5)

Reorder the terms for easier multiplication:
12540 = 12000 + 1 + 0.5R

Combine like terms: 12000 + 1 = 12001
12540 = 12001 + 0.5R

Solving
12540 = 12001 + 0.5R

Solving for variable 'R'.

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

Add '-0.5R' to each side of the equation.
12540 + -0.5R = 12001 + 0.5R + -0.5R

Combine like terms: 0.5R + -0.5R = 0.0
12540 + -0.5R = 12001 + 0.0
12540 + -0.5R = 12001

Add '-12540' to each side of the equation.
12540 + -12540 + -0.5R = 12001 + -12540

Combine like terms: 12540 + -12540 = 0
0 + -0.5R = 12001 + -12540
-0.5R = 12001 + -12540

Combine like terms: 12001 + -12540 = -539
-0.5R = -539

Divide each side by '-0.5'.
R = 1078

Simplifying
R = 1078

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