1. $76 for 8 pounds answer and explain 2.$55,50 in 3 days answer and explain 3.$26 in 4 games answer and explain 4. $22.50 in 3 hours answer and explain

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?