If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the second equation is substituted into the first equation. 2x − 3y = −29 x + 4y = 13 (6 points) Select one: a. 2(4y + 13) − 3y = −29 b. 2(−4y + 13) − 3y = −29 c. 2x − 3(4y + 13) = −29 d. 2x − 3(−4y + 13) = −29