Answer:
10X + 20 +5X +25 = 180
15x=180-45
X= 135/15
X=9
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Answer:
This equation has one solution
Step-by-step explanation:
Number of solution depends on the involved variables so here in this equation only one variable involve so one solution exist.
Answer:
3x²- 1
Step-by-step explanation:
f(-3) when f(x) = -x²+1
(-x²+1) × -3
3x²- 1
Answer:
See the attached
Step-by-step explanation:
The solution and filled in Venn diagram is attached
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