Answer:
it would be b for 1 since 7 would be negative and the 3 would be positive
The solution of system of equations is: x = 1.6 and y = 1.2
Step-by-step explanation:
Given equations are:

Putting
in equation 2

Putting x = 1.6 in equation 2

Dividing both sides by -3

Hence,
The solution of system of equations is: x = 1.6 and y = 1.2
Keywords: Linear equations, variables
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You need to foil it out. That's how you get the answer.
(x+4)^20
=
(x+4) x (x+4)^19
=
(x+4)^2 x (x+4)^18
etc.
Answer:
21.00845
Step-by-step explanation: