[(-12 ) + 9] +7=(-12)+. [9 +7]
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Answer:
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Step-by-step explanation:
step 1
first by soving [(-12+9)] LHS
we get=-3 by solving [(-12+9)]
now by add it with 7 as per equation
we get=-3+7=4
now by solving RHS
we solve [9+7]
we get 16
and then subtracting it from -12 as per equation
we get 16-12=4
so hence prove
LHS=RHS
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