Answer:
Step-by-step explanation:
y+ 6= 5(x-4)
y + 6= 5x-20
-6 . -6
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y= 5x-26
X = low-energy lamp
y = high-energy lamp
1) 4x + 5y
2) 120= 4x + 5y
Plus a negative value becomes subtraction:
-12 + -23 = -12 -23 = -35
Answer:sure I’ll be ur friend pal :)
Step-by-step explanation: