Question

Find the value of x if 30 (3x-10)

Answer 1

“Find the value of x if 30(3x-10)”

step one: multiply the 30 by the two terms which are 3x and 10.
- 90x-30

step two: divide by thirty
90x-30/30 = 3x-1

x=3x-1
x+1=3x-1+1
x+1=3x
x+1-x=3x-x
1=2x
1/2=2x/2
1/2=x

answer: x equals 1-2