Ques no 2 f part


2 ( f )       9 x   +   7 2   -   x   -   x   -   2 12   =   24

Dear student

f) 9x+72-x-x-212=249x+72-12x-x+212=249x+72-11x+212=2469x+7-11x-212=2454x+42-11x-212=2443x+40=28843x=248x=24843Verification:Consider LHS924843+72-24843-24843-212=223243+72-24843-248-864312=2232+301432-24843-1624312=253343×2-24843-16243×12=253386-24843+162516=15198-2976+162516=24
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