3r+2=13r+7

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Solution for 3r+2=13r+7 equation:


Simplifying
3r + 2 = 13r + 7

Reorder the terms:
2 + 3r = 13r + 7

Reorder the terms:
2 + 3r = 7 + 13r

Solving
2 + 3r = 7 + 13r

Solving for variable 'r'.

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

Add '-13r' to each side of the equation.
2 + 3r + -13r = 7 + 13r + -13r

Combine like terms: 3r + -13r = -10r
2 + -10r = 7 + 13r + -13r

Combine like terms: 13r + -13r = 0
2 + -10r = 7 + 0
2 + -10r = 7

Add '-2' to each side of the equation.
2 + -2 + -10r = 7 + -2

Combine like terms: 2 + -2 = 0
0 + -10r = 7 + -2
-10r = 7 + -2

Combine like terms: 7 + -2 = 5
-10r = 5

Divide each side by '-10'.
r = -0.5

Simplifying
r = -0.5

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