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solve the equation -4 + 4a = 12 for a.

a. 4

b. 5

c. 6

d. 9

solve the equation 3p + 10 = 28 for p.

a. 2

b. 4

c. 6

d. 7

solve the equation 30t – 4 = 1 for t.

a. 1/6

b. 1/4

c. 1/2

d. 2

solve the equation -21 + 25n = 14 for n.

a. 1/4

b. 1/3

c. 4/3

d. 7/5

solve the equation -6 + 6n = 42 for n.

a. -6

b. 2

c. 6

d. 8

solve the equation -30p – 2 = 58 for p.

a. -2

b. -1

c. 0

d. 2

solve the equation 52y – 29 = 10 for y.

a. 1/2

b. 3/4

c. 4/3

d. 4/5