Need asap! will give brainliest!
solve:

Step-by-step explanation:

We can solve this simultaneous equations by using the substitution method.

Equation 1:

Subtract 3y from both sides.

Substitute that new equation into the second equation which is

to get

Simplify:

Add 3 to both sides:

Divide both sides by -8:

To solve for x, simply substitute y=9 into the first equation which is:

to get

Subtract 27 from both sides:

Hence,

and

there is no grid

step-by-step explanation:

i think 5 miles per hour

step-by-step explanation: