Given : 11x – 6y = –1; x = 8

prove: start fraction 89 over 6 end fraction = y

11x – 6y = –1; x = 8

88 – 6y = –1

–6y = –89

y = start fraction 89 over 6 end fraction

a. a. given; b. symmetric property of equality; c. subtraction property of equality; d. division property of equality; e. reflexive property of equality
b. a. given; b. substitution property; c. subtraction property of equality; d. division property of equality; e. symmetric property of equality
c. a. given; b. substitution property; c. subtraction property of equality; d. division property of equality; e. reflexive property of equality
d. a. given; b. substitution property; c. subtraction property of equality; d. addition property of equality; e. symmetric property of equality