Zx and Zy are supplementary angles. Zy measures 139º. What is the measure of Zx?
1 answer:
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Answer: a
Infinitely many
Step-by-step explanation:
Solve by substitution:
1) Solve for
:
2) Substitute for
in
:
3) Simplify both sides of the equation:
4) Add -2 to both sides of the equation:
5) Simplify both sides of the equation:
Therefore, there are infinitely many solutions.
Solve by elimination:
You cannot solve this system by elimination
Solve by graphing:
The equations are on top of each other, therefore, the system of equations has infinitely many solutions.
