3.1=r-7.5

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Solution for 3.1=r-7.5 equation:


Simplifying
3.1 = r + -7.5

Reorder the terms:
3.1 = -7.5 + r

Solving
3.1 = -7.5 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
3.1 + -1r = -7.5 + r + -1r

Combine like terms: r + -1r = 0
3.1 + -1r = -7.5 + 0
3.1 + -1r = -7.5

Add '-3.1' to each side of the equation.
3.1 + -3.1 + -1r = -7.5 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + -1r = -7.5 + -3.1
-1r = -7.5 + -3.1

Combine like terms: -7.5 + -3.1 = -10.6
-1r = -10.6

Divide each side by '-1'.
r = 10.6

Simplifying
r = 10.6

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