Answer:
first one
Step-by-step explanation:
a + b = c
subtract a from both sides
b = c - a
or
c - a = b
Answer:
Mabel used 12 dimes and 7 quarters to pay for her granola bar.
Step-by-step explanation:
A dime= 10 A quarter= 25
12×10=120
7×25=175
175+120=295
12-7=5
Answer:
[-1,5]
Step-by-step explanation:
all reals between -1 and 5
Answer:
The system of the equations has no solution; the two lines are parallel.
Step-by-step explanation:
The equations have the same slope. In standard form, this can be seen as the same coefficients for x and y. We will multiply the second equation by -12 to reveal this.

This means the equations are parallel and will never cross. There is no solution.
there is no B i see A and -5A unless its for -5A??