7(r+3)+8=

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Solution for 7(r+3)+8= equation:


Simplifying
7(r + 3) + 8 = 0

Reorder the terms:
7(3 + r) + 8 = 0
(3 * 7 + r * 7) + 8 = 0
(21 + 7r) + 8 = 0

Reorder the terms:
21 + 8 + 7r = 0

Combine like terms: 21 + 8 = 29
29 + 7r = 0

Solving
29 + 7r = 0

Solving for variable 'r'.

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

Add '-29' to each side of the equation.
29 + -29 + 7r = 0 + -29

Combine like terms: 29 + -29 = 0
0 + 7r = 0 + -29
7r = 0 + -29

Combine like terms: 0 + -29 = -29
7r = -29

Divide each side by '7'.
r = -4.142857143

Simplifying
r = -4.142857143

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