28+10r=30r

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Solution for 28+10r=30r equation:


Simplifying
28 + 10r = 30r

Solving
28 + 10r = 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
28 + 10r + -30r = 30r + -30r

Combine like terms: 10r + -30r = -20r
28 + -20r = 30r + -30r

Combine like terms: 30r + -30r = 0
28 + -20r = 0

Add '-28' to each side of the equation.
28 + -28 + -20r = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -20r = 0 + -28
-20r = 0 + -28

Combine like terms: 0 + -28 = -28
-20r = -28

Divide each side by '-20'.
r = 1.4

Simplifying
r = 1.4

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