Question

3 (a + b)solve ______= b for a c

Answer 1

`(3(a+b))/(c)=b`

First, apply distributive property:

`\frac{3(a)\text{ + 3\lparen b\rparen}}{c}=b`
`(3a+3b)/(c)=b`
`3a+3b=bc`
`3a\text{ = bc - 3b}`

Common factor b

`3a=b(c-3)`
`a=(b(c-3))/(3)`