141k views
2 votes
4/5a - 8 = a + 2, my math teacher doesn't teach, so i don't know this stuff works (:

1 Answer

2 votes
Answer:

Step by step:
4/5a - 8 = a + 2
Start off by subtracting 4/5a from each side to get the variable only on one side
-8 = 1/5a + 2
Now subtract 2 from both sides to get the variable by itself
-10 = 1/5a
Now flip 1/5 upside down to multiply it by each side to get rid of the coefficient
-10 5 5 1
—— •—— = —- •—- a
1 1 1 5

(The 5/1 and 1/5a cancel each other out leaving a alone)

-50
—— = a
1

Now turn -50/1 into a whole number
-50 = a
Now flip the equation so a is on the right
A = -50
User Bloveless
by
7.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories