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Reptile [31]
3 years ago
12

I just need help on learning how to do ten and eleven thank you!

Mathematics
2 answers:
Mars2501 [29]3 years ago
6 0
11.2x+x+(x+8)=180
Combine like terms
3x+(x+8)=180
4x+8=180
180-8=172
4x=172
x=43

12.(x-3)+x+(x+8)+(x-5)=360
Combine like terms
4x-3+8-5=360
-3+8=5
5-5=0
4x=360
x=90

madreJ [45]3 years ago
4 0
Why is this in the college section?
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