5r+20-(r-3)=5

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Solution for 5r+20-(r-3)=5 equation:


Simplifying
5r + 20 + -1(r + -3) = 5

Reorder the terms:
5r + 20 + -1(-3 + r) = 5
5r + 20 + (-3 * -1 + r * -1) = 5
5r + 20 + (3 + -1r) = 5

Reorder the terms:
20 + 3 + 5r + -1r = 5

Combine like terms: 20 + 3 = 23
23 + 5r + -1r = 5

Combine like terms: 5r + -1r = 4r
23 + 4r = 5

Solving
23 + 4r = 5

Solving for variable 'r'.

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

Add '-23' to each side of the equation.
23 + -23 + 4r = 5 + -23

Combine like terms: 23 + -23 = 0
0 + 4r = 5 + -23
4r = 5 + -23

Combine like terms: 5 + -23 = -18
4r = -18

Divide each side by '4'.
r = -4.5

Simplifying
r = -4.5

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