3+8(r+5)=2r+1

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Solution for 3+8(r+5)=2r+1 equation:


Simplifying
3 + 8(r + 5) = 2r + 1

Reorder the terms:
3 + 8(5 + r) = 2r + 1
3 + (5 * 8 + r * 8) = 2r + 1
3 + (40 + 8r) = 2r + 1

Combine like terms: 3 + 40 = 43
43 + 8r = 2r + 1

Reorder the terms:
43 + 8r = 1 + 2r

Solving
43 + 8r = 1 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
43 + 8r + -2r = 1 + 2r + -2r

Combine like terms: 8r + -2r = 6r
43 + 6r = 1 + 2r + -2r

Combine like terms: 2r + -2r = 0
43 + 6r = 1 + 0
43 + 6r = 1

Add '-43' to each side of the equation.
43 + -43 + 6r = 1 + -43

Combine like terms: 43 + -43 = 0
0 + 6r = 1 + -43
6r = 1 + -43

Combine like terms: 1 + -43 = -42
6r = -42

Divide each side by '6'.
r = -7

Simplifying
r = -7

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