3r+3=5r-15+8

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Solution for 3r+3=5r-15+8 equation:


Simplifying
3r + 3 = 5r + -15 + 8

Reorder the terms:
3 + 3r = 5r + -15 + 8

Reorder the terms:
3 + 3r = -15 + 8 + 5r

Combine like terms: -15 + 8 = -7
3 + 3r = -7 + 5r

Solving
3 + 3r = -7 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
3 + 3r + -5r = -7 + 5r + -5r

Combine like terms: 3r + -5r = -2r
3 + -2r = -7 + 5r + -5r

Combine like terms: 5r + -5r = 0
3 + -2r = -7 + 0
3 + -2r = -7

Add '-3' to each side of the equation.
3 + -3 + -2r = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -2r = -7 + -3
-2r = -7 + -3

Combine like terms: -7 + -3 = -10
-2r = -10

Divide each side by '-2'.
r = 5

Simplifying
r = 5

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