Divide botoh sides by 7
x-12=-3
add 12 to both sides
x+12-12=12-3
x+0=9
x=9
Answer:
A
Step-by-step explanation:
just trust me I know what I'm talking about
Answer:
In seven minutes she can do 91 push ups
Step-by-step explanation:
26*3=78
78+13=91
34 is the original number.
This is because 34 times 2 is 68 and 68 plus 3 is 71.
