Question

If 3x - (7 - x) = 29, find the value of 6x.Hint:Rewrite 3x - 17 - x) as3x + -17 - x)and then use the Distributive Property to simplify.

Answer 1

Given:

3x-(7-x)=29

Find the value of 6x

$3x-(7-x)=29$$3x-7+x=29$$4x-7=29$$4x=29+7$$4x=36$$x=\frac{36}{4}$$x=9$$6x=6\times9$$6x=54$