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3y + 15 = 5y – 1
3y – 5y = – 1 – 15
– 2y = – 16
y = -16/-2
y = 8

a. 3y – 5y = -15 – 1

  -2y = -16

  y = -16/ -2

  y = 8

b. 3(3a + 18) = 4(10a – 2)

   9a + 54 = 40a – 8

   9a – 40a = -54 – 8

  -31a = -62

  a = -62/-31

  a= 2

MAAF KALAU SALAH