Question

URGENT!!!

Answer 1

Answer:

4(2s − 1) = 7s + 12     ok so first were going to multiply 4 by 2s and 1 seperatly

8s - 4 = 7s + 12        now were going to put all the naked numbers and variable numbers on one side so we can classify each and count them and when doing that REMEMBER the symbol changes so if it was + 12 on the other side its going to be - 12 and the other way around, same thing with mutliplication and division.

-7s + 8s = 12 + 4  (see how the positives changes to negatives and negatives change to positives)

s = 16

~batmans wife dun dun dun....

Answer 2

We need to get the variable on one side (usually the left side) and all other constants (like numbers and certain symbols like $\pi$) on the opposite side of the variable (usually the right side).

4(2s - 1) = 7s + 12 // Our starting equation
8s - 4 = 7s + 12    //   Distribute the 4 across the 2s and the -1
s - 4 = 12             //    Subtract both sides by 7s
s = 16                 //     Add both sides by 4

The variable s is equal to 16.