Solve each system by substitution. Check your solution. Writing How do you know that substitution gives the answer to a system of equations? ... You Would solve the second equationfor y and then substitute back into the first equation.
Their answer is correct so you need explanation?
Answer:
Population Of the United States
Weight of a small car
Length of a bed
Weight of an average man
Step-by-step explanation:
15% as a decimal is 0.15
40*0.15 is 6
6 guests arrive early
2. 12(x) - x = 7
3. 18(x) - x = -3
pls brainliest
