5r-2(r-5)=19

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Solution for 5r-2(r-5)=19 equation:


Simplifying
5r + -2(r + -5) = 19

Reorder the terms:
5r + -2(-5 + r) = 19
5r + (-5 * -2 + r * -2) = 19
5r + (10 + -2r) = 19

Reorder the terms:
10 + 5r + -2r = 19

Combine like terms: 5r + -2r = 3r
10 + 3r = 19

Solving
10 + 3r = 19

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + 3r = 19 + -10

Combine like terms: 10 + -10 = 0
0 + 3r = 19 + -10
3r = 19 + -10

Combine like terms: 19 + -10 = 9
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

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