contestada



Tyson began solving the system ​ {4x+2y=64x+5y=15 ​ by writing −3y=−9 .

Which property justifies this step?

division property of equality
multiplication property of equality
substitution property of equality
subtraction property of equality

Respuesta :

Nirina7
4x+2y=6     (1)
4x+5y=15   (2)

1)  - (2) =4x-x4 +2y -5y = 6 - 15
equivalent to -3y= -9
so the true answer is  subtraction property of equality

Answer:

subtraction property of equality

Step-by-step explanation:

...

s, and three $3
s. How many possible sequences of r
A mixture of He , Ar , and Xe has a total pressure of 3.00 atm . The partial pressure of He is 0.200 atm , and the partial pressure of Ar is 0.200 atm . What is
which claim is supported by the evidence that the newspaper clubs improve communication skills and promote teamwork ?
Which of the following is a safety precaution to take in order to avoid wildlife? A. Make plenty of noise. B. Do not wear anything scented. C. Stay away from fo
two numbers that multiply to equal 20 and that also equal -12
−5 = s−9. what is s?