2.
Justify each step.
1.
4k3= 2k + 5
4k-3-2k = 2k +5 - 2k
2k - 3 = 5
2k 3+3=5+3
2k = 8
2k
2
=
824
ng Equations with the Variable on Each Side
2
k = 4
=
2(8u+ 2) = 3(2u - 7)
16u + 4 = 6u - 21
16u + 4- 6u = 6u - 21 - 6u
10u + 4 = -21
10u +4-4 = -21-4
10u = -25
10u
-25
10
10
u = -2.5