Question

Which value of x makes this equation true?-9x+15=3(2-x)

Answer 1

Explanation:

-9x+15=3(2-x)

1. expand the bracket by the right hand side

6-6x

2. collect like terms

-9x+15= 6-6x

15-6 = 6x+9x

11= 15x

3. divide both sides by the coefficient of X which is 15

x= 11/15