Respuesta :

For the 1 first problem you have to do additive inverse where the subtraction sign is and then combine all the z's and then combine the normal numbers and then put plus sign in between
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1. -3.7z -6.3
2. 18x -2
3. $3.50
4. t=3
5. (x+4)/2 =4.25 x=$4.50
6. 11n/8+5=60 n=40
7. 36+8s>70. 4.25>s
8. r ≥ -2
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