Question

5r + 15 = 0 ........?

Answer 1

Answer: R would equal -3

Explanation:

5 x -3 = -15

-15 + 15 = 0

Answer 2

r = -3

Explanation:

Simplifying

5r + 15 = 0

Reorder the terms:

15 + 5r = 0

Solving

15 + 5r = 0

Solving for variable 'r'.

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

Add '-15' to each side of the equation.

15 + -15 + 5r = 0 + -15

Combine like terms: 15 + -15 = 0

0 + 5r = 0 + -15

5r = 0 + -15

Combine like terms: 0 + -15 = -15

5r = -15

Divide each side by '5'.

r = -3

Simplifying

r = -3