10r+10=40

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Solution for 10r+10=40 equation: 


Simplifying
10r + 10 = 40

Reorder the terms:
10 + 10r = 40

Solving
10 + 10r = 40

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + 10r = 40 + -10

Combine like terms: 10 + -10 = 0
0 + 10r = 40 + -10
10r = 40 + -10

Combine like terms: 40 + -10 = 30
10r = 30

Divide each side by '10'.
r = 3

Simplifying
r = 3

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