k=-3
1) Let's solve for k, the following expression:
2(1 - 5k) = 2k + 38 Distribute the factor 2
2 -10k = 2k +38 Subtract 2 from both sides and 2k
-10k -2k = 38 -2
-12k = 36 Divide by -1
12k=-36 Divide both sides by 12
k= -3
2) So k is equal to -3 in this equation.