Best answer will be awarded the brainliest and 5 stars so mallorys grandparents took their whole family too the zoo. they purchased seven adult tickets at $6.00 each and eight children tickets at $2.00 each what was the total cost of the tickets show answer

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?