C=3
Check the picture to how to solve for C.
You need to get the variable on one side and the constants on the other. Then solve for c.
When you plug the answer back into the equation you will end up with both sides equaling -1
Answer: x=20
Step-by-step explanation:
the following angles are supplementary so they will add up to equal 180
4x+21 +2x +39=180
step 1 combine like terms
6x+60=180
step 2 subtract 60 from each side
6x=120
step 3 divide each side by 6
x=20
Standard form
<span>4x+3y=10
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Answer:
It is D.
Step-by-step explanation:
The produce of the number and 10 is 10n.
20 percent of the number = 0.20n.