Answer: 66
Step-by-step explanation:see attachment.
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Let x=3.77777777...
10x=37.777777777...
9x=10x-x=34
9x=34 so x=34/9=3 7/9
Answer:
Step-by-step explanation:
3x-5(-4)=23 (1,-4)
3x+20=23
-20
3x=3/3
x=1
Answer:
x +5
Step-by-step explanation:
5x-2+3x+4+2x+9
5x-2x=3x
3x-3x=x
-2+2=0
0+4=4
4-9 =5
1. y₁ = 70x
2. y₂ = 55x
Solve y₁ - y₂ for x = 11.