Question

[(-12 ) + 9] +7=(-12)+. [9 +7]​

Answer 1

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