Answer: that the solution is true
Step-by-step explanation: if you get something like 10=10 it’s true but if you get like 4= 7 it’s false
Answer:
is a sas theorem.
Step-by-step explanation:
It is two units shifted downwards. you can see it by substituting x=0 for both equations
Answer:
z = -1
Step-by-step explanation:
add like terms: 13z = -13
divide both sides by 13: z = -1