2r+1=3+6

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Solution for 2r+1=3+6 equation: 


Simplifying
2r + 1 = 3 + 6

Reorder the terms:
1 + 2r = 3 + 6

Combine like terms: 3 + 6 = 9
1 + 2r = 9

Solving
1 + 2r = 9

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 2r = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 2r = 9 + -1
2r = 9 + -1

Combine like terms: 9 + -1 = 8
2r = 8

Divide each side by '2'.
r = 4

Simplifying
r = 4

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