Answer:
The equation is:
r + 18 = 73
and the result is:
r = 55
Explanation:
The sum of r and 18 is 73, in equation is:
Solve:
r + 18 - 18 = 73 - 18
r + 0 = 55
Check:
55 + 18 = 73
Sum means addition
r + 18 = 73 Subtract 18 from both sides
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