7(r-1)=45

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Solution for 7(r-1)=45 equation:


Simplifying
7(r + -1) = 45

Reorder the terms:
7(-1 + r) = 45
(-1 * 7 + r * 7) = 45
(-7 + 7r) = 45

Solving
-7 + 7r = 45

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 7r = 45 + 7

Combine like terms: -7 + 7 = 0
0 + 7r = 45 + 7
7r = 45 + 7

Combine like terms: 45 + 7 = 52
7r = 52

Divide each side by '7'.
r = 7.428571429

Simplifying
r = 7.428571429

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