7(r-3)=-13

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Solution for 7(r-3)=-13 equation:


Simplifying
7(r + -3) = -13

Reorder the terms:
7(-3 + r) = -13
(-3 * 7 + r * 7) = -13
(-21 + 7r) = -13

Solving
-21 + 7r = -13

Solving for variable 'r'.

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

Add '21' to each side of the equation.
-21 + 21 + 7r = -13 + 21

Combine like terms: -21 + 21 = 0
0 + 7r = -13 + 21
7r = -13 + 21

Combine like terms: -13 + 21 = 8
7r = 8

Divide each side by '7'.
r = 1.142857143

Simplifying
r = 1.142857143

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