3r+2=5r+7

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


Simplifying
3r + 2 = 5r + 7

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

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

Solving
2 + 3r = 7 + 5r

Solving for variable 'r'.

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

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

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

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

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

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

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

Divide each side by '-2'.
r = -2.5

Simplifying
r = -2.5

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