PLEASE HELP !!! JIM :)
1 answer:
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These problems are called literal equations(just so you know)
S=L-rL
First, you subtract L from both sides:
S-L=-rL
The commutative property of multiplication states that you can change the order of 2 different numbers being multiplied together and still keep the equation/expression equivalent to the first. We can change r and L around like this:
S-L=-Lr
now we divide both sides by -L:
We can still simplify this, though, by splitting up the fraction on the left:
which is equal to:
for the final step, the double negative becomes a positive:
there is the final simplified answer for r
S=L-rL
First, you subtract L from both sides:
S-L=-rL
The commutative property of multiplication states that you can change the order of 2 different numbers being multiplied together and still keep the equation/expression equivalent to the first. We can change r and L around like this:
S-L=-Lr
now we divide both sides by -L:
We can still simplify this, though, by splitting up the fraction on the left:
which is equal to:
for the final step, the double negative becomes a positive:
there is the final simplified answer for r