Explanation:
1. distribute
3x-24-5=9x+18+1
add like terms
3x-29=9x+19
-6×=48
x= -8
2. 2x+4+x=5+4x-8
3x=-3+4x
-x=-3
x=3
3. 2x-3=2x+3x+12
-3x=15
x= -5
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