How do you solve #-4y - 7= - 9y + 8#?

Question

1121 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-03-15T01:54:55

In order to solve this, combine like terms.

Step 1: in this problem combine your like terms...

#-4y - 7 = -9y + 8#

Remember whatever you do to one side you have to do other!

add 7 to both sides

Remember, do the opposite of what the sign is. If it is negative, add; if it is positive, subtract

#-4y = -9y + 15#

Next, combine your y values.

#-4y = - 9y + 15#

Add nine to both sides to get Y on one side of the equation

#5y = 15#

Step 2: Get Y by itself by dividing both sides by 5

#(5y)/(5) = 15/5#

Your answer is : #Y= 3#