How do you solve #10(2x + 4) = - (-8 -9x) + 3x#?
1 Answer
Jan 25, 2016
x = - 4
Explanation:
First 'distribute' the brackets :
ie 20x + 40 = 8 + 9x + 3x
( collect x terms to left side and numbers to the right )
20x - 9x - 3x = 8 - 40
hence : 8x = - 32
( divide both sides by 8 )
so x = - 4
