If x + 2 - 6x= -13 what us the value of 2x + 3

9

Step-by-step explanation:

x + 2 - 6x= -13

Solve :

x + 2 - 6x= -13

-5x = -15

x = 3

Put value of x in 2x + 3

2(3) + 3

= 6 + 3

= 9

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,