13+5r=4(1r+5)

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Solution for 13+5r=4(1r+5) equation:


Simplifying
13 + 5r = 4(1r + 5)

Reorder the terms:
13 + 5r = 4(5 + 1r)
13 + 5r = (5 * 4 + 1r * 4)
13 + 5r = (20 + 4r)

Solving
13 + 5r = 20 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
13 + 5r + -4r = 20 + 4r + -4r

Combine like terms: 5r + -4r = 1r
13 + 1r = 20 + 4r + -4r

Combine like terms: 4r + -4r = 0
13 + 1r = 20 + 0
13 + 1r = 20

Add '-13' to each side of the equation.
13 + -13 + 1r = 20 + -13

Combine like terms: 13 + -13 = 0
0 + 1r = 20 + -13
1r = 20 + -13

Combine like terms: 20 + -13 = 7
1r = 7

Divide each side by '1'.
r = 7

Simplifying
r = 7

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