3r+5=2r+7

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Solution for 3r+5=2r+7 equation:


Simplifying
3r + 5 = 2r + 7

Reorder the terms:
5 + 3r = 2r + 7

Reorder the terms:
5 + 3r = 7 + 2r

Solving
5 + 3r = 7 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
5 + 3r + -2r = 7 + 2r + -2r

Combine like terms: 3r + -2r = 1r
5 + 1r = 7 + 2r + -2r

Combine like terms: 2r + -2r = 0
5 + 1r = 7 + 0
5 + 1r = 7

Add '-5' to each side of the equation.
5 + -5 + 1r = 7 + -5

Combine like terms: 5 + -5 = 0
0 + 1r = 7 + -5
1r = 7 + -5

Combine like terms: 7 + -5 = 2
1r = 2

Divide each side by '1'.
r = 2

Simplifying
r = 2

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