V = lwh Divide both sides by lh
= w Switch the sides to make it easier to read
w = <span>
</span>
Answer:
2x = 10
Step-by-step explanation:
7 + 3x = 22
-7 -7
Subtract 7 from both sides (you are trying to get the variable alone, and to do that, you have to get every other number to 0. <em>7 - 7 = 0</em>. BUT, whatever you do, you have to do to both sides.)
3x = 15
/3 /3
Divide both sides by three to get the variable alone.
x = 5
Now, plug in the value of x to the second equation and solve.
2(5) = ? --> 10
4+ x(5)=8.50 (we use 5 hours since the 1st hour is included in the 4 dollars)
4+5x=8.5 subtract 4 from each side
5x = 4.5 divide each side by 5
x=.9
x=$0.90
Answer:
1/19
Step-by-step explanation:
5/95 divide it by 5/5 and the answer is 1/19