Answer:

Step-by-step explanation:

If you want a solution:
<em>subtract 5 from both sides</em>

<em>multiply both sides by 3</em>

Answer:
x = 2 and x = 1
Step-by-step explanation:
I think
You divide the shape into as many shapes as you want, and then multiply then all and add!
Answer:
y=12/5 (in decimal notation y=2.4)
Step-by-step explanation:
the value of 7y-2 = 10 more than 2y
7y-2 = 10+2y
7y-2y = 10+2
5y = 12
y = 12/5
y = 2.4