5r+3(2r-5)=7

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Solution for 5r+3(2r-5)=7 equation:


Simplifying
5r + 3(2r + -5) = 7

Reorder the terms:
5r + 3(-5 + 2r) = 7
5r + (-5 * 3 + 2r * 3) = 7
5r + (-15 + 6r) = 7

Reorder the terms:
-15 + 5r + 6r = 7

Combine like terms: 5r + 6r = 11r
-15 + 11r = 7

Solving
-15 + 11r = 7

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + 11r = 7 + 15

Combine like terms: -15 + 15 = 0
0 + 11r = 7 + 15
11r = 7 + 15

Combine like terms: 7 + 15 = 22
11r = 22

Divide each side by '11'.
r = 2

Simplifying
r = 2

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