Question

Help plz it's solving equations with addition and subtraction but the drawing above is how my teacher wants the answer

Answer 1

You just finish the equation by adding 19 to 42 which is 61.

Answer 2

It's simple, first, we use add the same number to the two members
$(y - 19) + 19 = (42) + 19$
2: we solve the parenthesis
$( + 19 -19 = 0)$
and
$(42 + 19 = 61)$
3: we solve the equation
$y = 61$