Choose an expression that matches the following sentence: The sum of 5 times a number plus 2. A. 5x + 2 B. 5 + 2 C. 5x – 2 D. 2 + 5 + x E. 2 - 5

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36