Can someone me on this problem

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?

What 8/12+8/11 in another way than and improper fraction

What is the absolute value of the complex number -4- 2 v14 3.15 14 18