Answer:
bzissssossisbs x9s s siss s sبسیسجسبسئسطسب،یز unsbsjsus
Step-by-step explanation:
bzbzjznzbsisbsbs
Answer:
Step-by-step explanation:
Since RQT=155
4x-20+3x+14=155
7x-6=155
7x=161
x=23
Answer:


Step-by-step explanation:
----------- (1)
-----------(2)
Adding equation (1) and (2)


Substitute y=-4 in equation (1) or (2)

