Question

punctul b va rog repede prin metoda substitutuei ​

Answer 1

cred ca asta e raspunsul

Answer 2

• 2y=5-3x       =>2y=5-3x          =>2y=5-3x    =>2y=5-3x           =>2y=5-3x
• 5x-2y-y=2    =>5x-5+3x-y=2   =>8x-5-y=2   =>y=-2+8x-5       =>y=8x-7
• 16x-14=5-3x    =>19x=19    =>x=1
• y=8x-7            =>y=8x-7    =>y=1