a) 8+[2{9-6(2+1)}]
e) 6a-{a+4(a-2)}
f) 8x-{4x-(a-3a)-2x+2a}
Answer this three I will follow you...
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sub-maths
class-7
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8+[2{9-6*3}]. 6a-{a+4(a-2)}.
8+[2*9]. 6a-{a+4*a-2}.
8+18. 6a - a+4*a-2
26. 6*a-a+4*a-2
22a
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