5(22 - 9 · 2) - 2( 3 · 2 + 4) + 7

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1 Answer

5(22 -9*2) -2(3*2 +4) +7

=5(22-18) -2(6+4) +7

=5*4 -2*10 +7

=9-20+7

=16-20

=-4
by

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