2(r-1)-3=5

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Solution for 2(r-1)-3=5 equation: 


Simplifying
2(r + -1) + -3 = 5

Reorder the terms:
2(-1 + r) + -3 = 5
(-1 * 2 + r * 2) + -3 = 5
(-2 + 2r) + -3 = 5

Reorder the terms:
-2 + -3 + 2r = 5

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

Solving
-5 + 2r = 5

Solving for variable 'r'.

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

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

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

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

Divide each side by '2'.
r = 5

Simplifying
r = 5

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