So just your normal equation.
We need to isolate x alone.
First lets write out our equation
3 +7x = 12
Lets do this step by step.
first subtract 3 from both sides.
3 + 7x = 12
-3 = -3 it cancels out on the left side and we solve on the right side.
*************
7x = 9
second we divide both sides by 7
7x = 9
÷7 = 7 we got the x alone and we just write 9/7 as our answer.
x = 9/7
Or as a decimal.
9/7 could be <span>1.28571428571429
</span>
Either will work.
x = 9/7
or
x = <span>1.28571428571429
</span>
Have a nice day. :)
Answer:
It is a right triangle.
Step-by-step explanation:
Right triangles will always have a right angle equalling 90 degrees. The other two angles will always be 45 degrees.
Total: 54
Boys: 36
Girls: x
54 - 36 = x
x = 18
There would be 18 girls at the swim meet
(4,2)(3,-3)
slope = (y2 - y1) / (x2 - x1)
slope = (-3-2) / (3 - 4) = -5/-1 = 5....so ur slope is 5
