Answer:
20-n1.75
you would put the n there because it is how many cards you are purchasing, and it would need to be multiplied by how much the cards cost
4+2=6 then you bring the 6 to the other side so you have combine like terms. 6-6=0 so its 0
Answer:
your answer will be C. B´C=8. m ZA=28
Step-by-step explanation:
hope it helps have a nice day
Hello!

3x + 5 = x - 10
Solve for x by isolating the variable.
Subtract 5 from both sides:
3x + 5 - 5 = x - 10 - 5
3x = x - 15
Subtract x from both sides:
3x - x = x - x - 15
2x = -15
Divide both sides by 2:
2x /2 = -15 / 2
x = -15/2.