7(r-1)=r+23

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Solution for 7(r-1)=r+23 equation:


Simplifying
7(r + -1) = r + 23

Reorder the terms:
7(-1 + r) = r + 23
(-1 * 7 + r * 7) = r + 23
(-7 + 7r) = r + 23

Reorder the terms:
-7 + 7r = 23 + r

Solving
-7 + 7r = 23 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-7 + 7r + -1r = 23 + r + -1r

Combine like terms: 7r + -1r = 6r
-7 + 6r = 23 + r + -1r

Combine like terms: r + -1r = 0
-7 + 6r = 23 + 0
-7 + 6r = 23

Add '7' to each side of the equation.
-7 + 7 + 6r = 23 + 7

Combine like terms: -7 + 7 = 0
0 + 6r = 23 + 7
6r = 23 + 7

Combine like terms: 23 + 7 = 30
6r = 30

Divide each side by '6'.
r = 5

Simplifying
r = 5

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