Respuesta :
Answer: Step-by-step explanation:
57 - 10x = 45
-10x=-12
x=1.2
- 3y + 10x = -5
-3y+10=-5
-3y=-15
y=5
Answer:
1) 57 - 10x = 45 answer: x=−51/5
2) - 3y + 10x = -5 answer: x=3/10y+−1/2 or y=10/3x+5/3
Step-by-step explanation: Hope this help :D
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