Following rules matricies sum, the position (1,3) of the matrix A, in which position should be added to a matrix B

Select the appropriate response:
A) (3,1) de B
B) (1,3) de B
C) can’t be Add
D) All row 3 on B

Help

D

Step-by-step explanation:

answer: 38.47 is your answer

step-by-step explanation: hope i you and who ever sees this answer have a great rest of your day : )

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: