ANNOUNCEMENT-Distributive Property Quiz Retake on WEDNESDAY!
LOG PROBLEM
Solve for x:
2(x +3) +2x= 18
Solution
2(x +3) +2x= 18
2x+6+2x=18
4x+6=18
.....-6...-6
4x=12
/4.../4
x=3
HOMEWORK - First answer is given!
Solve for the variable:
a)
5(10 -y) -5y = 10
50 -5y - 5y = 10
50 - 10y = 10
-50..........-50
-10y = -40
/-10.../-10
y = 4
b)
6(z -1) -2z= 2
c)
3(2n + 4) - 2n = 16
d)
4(5k + 2) -10k= 22
e)
3(4 -x)-3x = 0
Distributive Property Quiz Answers
1)
2(3x+5)
6x + 10
2)
-3(-2+9x)
6-27x
3)
7(3+2x) - 5
21+14x-5
16+14x
4)
-2(9x-4)+2x
-18x+8+2x
-16x+8
5)
8(-4+9x)-9
-32+72x-9
-41+72x
6)
5(-7x-6)+8(4x+2)
-35x-30+32x+16
-3x-14
7)
-9(-2x-6)-3(7x-4)
18x+54-21x+12
-3x+66
8)
P=2(l+w)
P=2(6+7)
P=12+14
P=26cm
9)
P=2(l+w)
P=2(5+8)
P=10+16
P=26cm
10)
P=2(l+w)
P=2(9+5)
P=18+10
P=28cm
