Answer:
x=36° (180/5x because 2x+3x)
Step-by-step explanation:
Answer:
4.
Step-by-step explanation:
high negative
done ez
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Use elimination to create a one variable equation.
x-3y=15 -> 2x-6y=30
2x-6y=30
+(-2x-4y=10)
------------------
-10y=40
Then solve (for y in this case).
y=-4
Now we can use the value for y to solve for x.
x-3y=15 -> x-3(-4)=15 -> x=3