Question

What is the solution to this problem? 2x+3(x-10)=45

Answer 1

x = 15

Explanation:

2x+3(x-10)=45

2x+3x-30 =45

5x-30 =45

5x =45+30

5x =75

x =75/5

x =15

Answer 2

x= 15

Explanation:

2x+3(x-10)=45

2x+3x-30=45

Combine like terms:

2x+3x-30 turns into 5x-30= 45

5x-30=45

+30 +30

5x = 75

x = 15