How do you solve #\frac { 5- b } { 3} = \frac { 2b + 2} { - 4}#?
3 Answers
First, let's clear the denominators:
Let's check our work:
Yep!
Explanation:
There is ONE fraction on each side of the equal sign, so you may cross-multiply.
multiply both sides by each fraction's denominator, then solve for
Explanation:
What we will do is multiply both sides by the denominator of each side, thereby eliminating the need for fractions.
Starting with the left hand side:
Now, we multiply both sides by the denominator of the right-hand side:
Now, we'll re-arrange the equation so all of the terms related to
Finally, divide both sides by the constant