Subtract 7x from both sides
3=9x-13-7x
simplify 9x-13-7x to 2x-13
3=2x-13
Add 13 to both sides
3+13=2x
simplify 3+13 to 16
16=2x
simplify both sides by 2
16/2=x
simplify16/2 to 8
x=8
It. Mean it 2 of 1\2 example 1\2 1\2
Here the graph and what else you need
Answer:
32.5 m
Step-by-step explanation:
A=Bh/2
A=13x5/2
A=65/2
A=32.5
