Q7) Simplify:
a) 3x + 3y - 2z+ x + 72 - 9y
Answers
Answered by
1
Answer:
yes
Step-by-step explanation:
3x + 3y - 2z+ x + 72 - 9y
3x+x+3y - 9y -2z+72
4x-6y-2z+72
Answered by
2
Step-by-step explanation:
3x+x= 4x
3y-9y= -6y
therefore
4x-6y-2z+72 is ans
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