Answer:
9r+13
Explanation:
To solve this question, all we need to do is simplify the equation.
The equation is 8r+7+4+r. To simplify, we need to add like terms.
8r+r+7+4=9r+13
9r+13 is the equivalent equation to 8r+7+4+r.
Hope this helps!
Bring the like term together and add them
8r + 7 + 6 +r = 8r + r + 7 + 6
= 9r + 13
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