2. at a gym, frank did a certain number of
push-ups. tom did 12 more than frank.
the total number both men did was 66. which
equation could be used to find the number of
push-ups frank did?
a. x + 12x = 66
b. 2x + 12 = 66
c. 2x = 66 + 12
d. x + 12 = 66 +
x
d