145-10x=10x-35
Add 35 to both sides.
175-10x=10x
Add 10x to both sides.
175=20x
Divide both sides by 20
8.75=x
Ik but learn its simple but there is multiple answers
Answer:
Step-by-step explanation:
To find out
22 x 12 = 264 rolls
Answer:
90 degrees
Step-by-step explanation:
A triangle equals 180
180 - 60
= 120
120 - 30
= 90
Also you can easily get the answer without doing any math because you can see the angle is a right angle
Right angles equal 90
Hope this helps dude
Let lucy = l & neighbour= n
l = n +4
l + n= 14 years
substitute l with n +4
(n +4) + n = 14
2n +4 =14
n=5 years
l = n + 4 lets substitute n with 5
l = 5 + 4
lucy = 9 years