Topic
it
Multi-Step Equations
= 50
8-3(k+
2.
2)
= 2—3k
-6+8=50 -6=42 x=-7
3.
3w-(7w +
12)
= 2(w-3)
4. -7(a
-3) = 11-70
6. 4(4y
— 3)- (v -5) =
-4w-12=2w-6 -6w-12=-6 -6w=6 w=-1
5. 9(n
4)
771
= 32 -
+
8)
2n-36=-2n+16 2n-36+36=-2n+16+36 2n+2n=-2n+52+2n 4n/4 = 52/4 n=13
Topie
4
2
6
8.
7.
3
a—6 a—3 6a-18=3a-18
2(x+8)=36 2(x+8 ) /2 =36/2 x+8-8=18-8 x=10 5 9.
Proportions
3
6a-18+18=3a-18+18 6a=3a 6a-3a=3a-3a 3a/3 = 0/3 a=0 6 2 10.
211-5
-52