Given: 32 = 2x + 4y; x = 2

Question

Prove: y=7

substitution property:
substraction property of equality:
division property of equality:
symmetric property of equality

fill in the blanks

Answer 1

32 = 2x + 4y
32 = 2(2) + 4y
32 = 4 + 4y
28 = 4y
7 = y