Question

2x - 3y = 13 7x - 2 = 20 by substitution method

Answer 1

Answer:

Step-by-step explanation: HOPE IT HELPS YOU

Answer 2

Answer:

$(2x - 3y = 13)7$

$14x - 21y = 91$

$(7x - 2y = 20)2$

$14x - 12y = 91$

$14x - 4y = 40$

$17y = 51$

$y =51 \div 17$

$y = 3$

$2x - 3(3) = 13$

$2x - 9 = 13$

$2x = 13 + 9$

$x = 22 \div 2$

$x =11$