7.9=r+7

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Solution for 7.9=r+7 equation:


Simplifying
7.9 = r + 7

Reorder the terms:
7.9 = 7 + r

Solving
7.9 = 7 + 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.
7.9 + -1r = 7 + r + -1r

Combine like terms: r + -1r = 0
7.9 + -1r = 7 + 0
7.9 + -1r = 7

Add '-7.9' to each side of the equation.
7.9 + -7.9 + -1r = 7 + -7.9

Combine like terms: 7.9 + -7.9 = 0.0
0.0 + -1r = 7 + -7.9
-1r = 7 + -7.9

Combine like terms: 7 + -7.9 = -0.9
-1r = -0.9

Divide each side by '-1'.
r = 0.9

Simplifying
r = 0.9

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