Answer:
10 = 2y + 4
6 = 2y
y = 3
Step-by-step explanation:
18 = 10 + 2x
8 = 2x
x = 4
<span>3x+ 2y+7 -5x+7y
= -2x + 9y + 7
hope it helps</span>
Answer: it’s either 5x^3 -4x^2-7x or
-3x^3-4x^2-7x
Step-by-step explanation:
i put it in my calculator
Answer:
x=21
Step-by-step explanation:
since the triangle is isosceles, the two lower angles are equal.
2(2x+3)=90
4x+6=90
4x=84
x=21
12 feet long
1st piece = x
2nd piece = 2x-3
3x-3 =12
3x=15
x = 5
1st piece = 5 feet
2nd piece = 2*5=10-3=7 feet
