Answer:
x= 20,y= −36
Explanation:
3x+2y=−12
2x+y=4
Subtract 2x
from both sides of the equation.
y=4−2x
3x+2y=−12
Replace all occurrences of y
with 4−2x
in each equation.
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−x+8=−12
y=4−2x
Solve for x
in −x+8=−12
.
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x=20
y=4−2x
Replace all occurrences of x
with 20
in each equation.
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y=−36
x=20
The solution to the system is the complete set of ordered pairs that are valid solutions.
(20,−36)
The result can be shown in multiple forms.
Point Form:
(20,−36)
Equation Form:
x=20,y=−36