4r+5=2r+15

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Solution for 4r+5=2r+15 equation:


Simplifying
4r + 5 = 2r + 15

Reorder the terms:
5 + 4r = 2r + 15

Reorder the terms:
5 + 4r = 15 + 2r

Solving
5 + 4r = 15 + 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 + 4r + -2r = 15 + 2r + -2r

Combine like terms: 4r + -2r = 2r
5 + 2r = 15 + 2r + -2r

Combine like terms: 2r + -2r = 0
5 + 2r = 15 + 0
5 + 2r = 15

Add '-5' to each side of the equation.
5 + -5 + 2r = 15 + -5

Combine like terms: 5 + -5 = 0
0 + 2r = 15 + -5
2r = 15 + -5

Combine like terms: 15 + -5 = 10
2r = 10

Divide each side by '2'.
r = 5

Simplifying
r = 5

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