How do i solve systems by substitution
1 answer:
Answer: x = 2, y = 9
Step-by-step explanation:
y = 9x - 9 Substitute x for 2
y = 9(2) - 9 Multiply 9 with 2
y = 18 - 9 Subtract 18 - 9
Final Answer: y = 9 and x = 2
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It’s 2 my work is in the picture
Answer:
13 1/2 tall
Step-by-step explanation:
If 4 1/2 is the childs hight and their shadow is 6 feet, the shadow adds 2 1/2 to the height.
2x+6=20
2x=20-6
2x=14
x=14/2
x=7
It would be 3:12 so about 25%
The value of x would be 4m
