Question

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

Answer 1

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

Answer 2

Step 1. Divide both sides by $3$ 

$5x+20= \frac{45}{3}$

Step 2. Simplify $\frac{45}{3}$ 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 $x=-1$