Answer:
x=20
Step-by-step explanation:
3x - 10 + 5x + 30 = 180
8x + 20 = 180
8x = 160
x = 160/8
x = 20
check:
3(20) - 10 + 5(20) + 30 = 180
60 - 10 + 100 + 30 = 180
50 + 100 + 30 = 180
150 + 30 = 180
180 = 180 ✓
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It is 100 times greater than 5
4x-3/3= 7
4x-1=7
4x= 8
x= 2
hope this helps!!!
Answer:
9:11
Step-by-step explanation: