Solve: 72x + 436= -96x + 1108 X=?

Can someone me with my hwplz(only the circled ones)

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !