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Andreas93 [3]
3 years ago
15

I need help with my math I'm doing solving equations using addition and subtraction

Mathematics
2 answers:
Katen [24]3 years ago
8 0
It would be 4 because, on the right, it has 3 and 4. That is 7 and if you look at the scale it's balanced which means it would be the same on that side but it already has 3 so 4. So hold up your fingers and take 4 fingers up and add 3 fingers to that 4. How many is that? Count them all up and you'll get 7!
Flura [38]3 years ago
3 0
N+3=7. To find n, you need to have it by itself, so you can do that by subtracting 3 on both sides, so it would look like: n+3-3=7-3. Then you have n=4.
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