60-r+10=20

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Solution for 60-r+10=20 equation:


Simplifying
60 + -1r + 10 = 20

Reorder the terms:
60 + 10 + -1r = 20

Combine like terms: 60 + 10 = 70
70 + -1r = 20

Solving
70 + -1r = 20

Solving for variable 'r'.

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

Add '-70' to each side of the equation.
70 + -70 + -1r = 20 + -70

Combine like terms: 70 + -70 = 0
0 + -1r = 20 + -70
-1r = 20 + -70

Combine like terms: 20 + -70 = -50
-1r = -50

Divide each side by '-1'.
r = 50

Simplifying
r = 50

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