simpify [15×{6-(-2)]]-[20-{34×(-2-5) ]]
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Answer:
-138
Step-by-step explanation:
=[15×{6-(-2)]]-[20-{34×(-2-5) ]]
=[15 x {6+2}]-[20-{34 x (-7)}]
=[15 x 8] - [20 -{ -238 }]
=120 - [20+238]
=120 - (258)
= -138
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