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Tom [10]
3 years ago
10

I need help please. ​

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
4 0

Answer:

x=33

Step-by-step explanation:

1) write the equation: 180=90+(x+15)+(x+9)

2) subtract 90 on both sides and add x+15 and x+9 together: 90=2x+24

3) subtract 24 from both sides: 66=2x

4) divide both sides by 2: x=33

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