7&8 if u draw it out first it'll help by tons
Salutations!

value of

Multiply 10 and 3

Now, you can solve the equation --

separate the variables aside, and the numbers aside.




Hope I helped (:
Have a great day!
Answer:
<span><span>(124664347874) times </span><span>(558877223788889)</span></span><span>=<span><span>6.96720646453*10^</span><span>25 </span></span></span>
1 and 2 i can't answer without proper data.
3. x+2x+2x+6 = 86
5x+6 = 86
-6 -6
5x = 80
x = 16
Side one: x is 16
Side two: 2x is 2(16) = 32
Side three: 2x+6 is 38