2.7=12.7-r

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Solution for 2.7=12.7-r equation: 


Simplifying
2.7 = 12.7 + -1r

Solving
2.7 = 12.7 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
2.7 + r = 12.7 + -1r + r

Combine like terms: -1r + r = 0
2.7 + r = 12.7 + 0
2.7 + r = 12.7

Add '-2.7' to each side of the equation.
2.7 + -2.7 + r = 12.7 + -2.7

Combine like terms: 2.7 + -2.7 = 0.0
0.0 + r = 12.7 + -2.7
r = 12.7 + -2.7

Combine like terms: 12.7 + -2.7 = 10
r = 10

Simplifying
r = 10

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