Since these are supplementary angles (two angles which sum to 180°) we can say:
4x+x=180 combine like terms on left side
5x=180 divide both sides by 5
x=36°
Number???what do you want?
Answer:
24x^2+112x+120
Step-by-step explanation:
distribute the 2
(6x+10)(4x+12)
foil it
24x^2+112x+120
16n+8=4
16n=4-8
16n=-4
n=-4/16
n=-1/4.
<span>twice the sum of a number and seven is 8
2(x+7)=8</span>