3r+13=7r+1

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Solution for 3r+13=7r+1 equation:


Simplifying
3r + 13 = 7r + 1

Reorder the terms:
13 + 3r = 7r + 1

Reorder the terms:
13 + 3r = 1 + 7r

Solving
13 + 3r = 1 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
13 + 3r + -7r = 1 + 7r + -7r

Combine like terms: 3r + -7r = -4r
13 + -4r = 1 + 7r + -7r

Combine like terms: 7r + -7r = 0
13 + -4r = 1 + 0
13 + -4r = 1

Add '-13' to each side of the equation.
13 + -13 + -4r = 1 + -13

Combine like terms: 13 + -13 = 0
0 + -4r = 1 + -13
-4r = 1 + -13

Combine like terms: 1 + -13 = -12
-4r = -12

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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