Question

2x-45=y,2y-21=x solve using substituiton method ankit chopra do not answer or I will ban u from brainly

Answer 1

Step-by-step explanation:

2y-21=x

y=2x-45

put the value of y.

2(2x-45) -21=x

4x-90-21=x

4x-x=90+21

3x=111

x= 111/3