x - 14 + 2x + 20 = 90
First, combine like terms: x and 2x, -14 and 20.
x + 2x = 3x
-14 + 20 = 6
3x + 6 = 90
Subtract 6 from both sides.
3x = 84
Divide both sides by 3
x = 28
Answer:
Explanation:
X-14+2x+20=90
×+2x=90+14-20
X+2x=84
3x=84
X=84÷3
X=28
5.7m questions
7.4m answers