HELP ME ........................
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Answered by
0
Answer:
a= 4y+22
Step-by-step explanation:
Sorry if wrong and do not know about b one
Answered by
6
Answer:
1.)
=3x-y+11+(-y-11)
=3x-y+11-y-11
=3x-y-y+11-11
=3x-2y
2.)
= 4+3x+5-4x+2x²-(3x²-5x+(-x²+2x+5) )
=2x²+4+5+3x-4x-(3x²-5x-x²+2x+5)
=2x²-x+9-3x²+5x+x²-2x-5
=2x²-3x²+x²-x-2x+5x+9-5
=2x+4
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