53.4k views
3 votes
How do you find the answer for
3(5x+20)=45

User Verkter
by
8.7k points

2 Answers

0 votes
Step 1. Divide both sides by
3



5x+20= (45)/(3)


Step 2. Simplify
(45)/(3) to
15



5x+20=15


Step 3. Subtract
20 from both sides



5x=15-20


Step 4. Simplify
15-20 to
-5



5x=-5


Step 5. Divide both sides by
5



x=-1


Done! Your answer is
x=-1
User Furqan Asghar
by
7.5k points
3 votes
3(5x+20)=45
3 times 5x=
15x
3 times 20= 60
15x +60=45
45-60=-15
15x=-15
-15 divided by 15x=
-1x=
x=1
Hope this helps

User Muhammad Suleman
by
7.9k points