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3 votes
Solve
6r + 7 = 13 + 7r

User Djburdick
by
6.8k points

2 Answers

3 votes

Answer:

r = -6

Explanation:

basically send the letters on one side (preferably the left) of the = sign... and the numbers on the other side. Remember when you pelting things across the equal sign, you have to switch the signs... meaning positive (+) will become negative (-) or vice versa...

6r + 7 = 13 + 7r

6r - 7r = 13 - 7

-1r = 6

r = -6

User Wandos
by
7.7k points
3 votes

Answer:

r = -6

Explanation:

6r + 7 = 13 + 7r

-6r both sides

7 = 13 + r

-7 both sides

r + 6 = 0

-6 both sides

r = -6

User Vizcayno
by
7.3k points