It is negative since there is a negative sign in the front
Answer:
71
Step-by-step explanation:
A system of linear equations that must be solved algebraically is when numbers are very large or very small or when those that have to be accurate to several decimal places which is hard to graph.
Answer:
D
Step-by-step explanation:
First no. = x
Second no. = y
Equation Formation
x + y = 55..........equation (i)
x - y = 1..............equation (i)
x = 1+y
1 + y + y = 55
1 + 2 y = 55
2 y = 55-1
2 y = 54
y = 27
x=27 + 1
x =28
Answer = 28 , 27
