Rewrite the following pairs of equations in the form of a matrix equation, AX = B, and 149,… 1 answer below »

Rewrite the following pairs of equations in the form of a matrix equation, AX = B, and 149,CRAMER’S RULE to solve Vim system.

a. 5x+y= 7

3x — 4y = 18

b. 3x + 3y = 18

x + y = 7

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