3 years ago

The sum of 12 and a number x is equal to 15

Mathematics

2 answers:

daser333 [38]3 years ago

4 0

Answer:

The answer would be 3.

Step-by-step explanation:

This can be found by subtracting 12 from both sides and then the x will be alone on one side and be set equal to 3 on the other side.

marysya [2.9K]3 years ago

3 0

12+x=15

15-12=3

12+3=15

x=3

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