Final answer to the problem
$-80$
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1
Apply the formula: $a+b$$=a+b$, where $a=10$, $b=10$ and $a+b=10+10\cdot -10+10$
$20+10\cdot -10$
Learn how to solve addition de nombres problems step by step online.
$20+10\cdot -10$
Learn how to solve addition de nombres problems step by step online. Simplify 10+10*-10+10. Apply the formula: a+b=a+b, where a=10, b=10 and a+b=10+10\cdot -10+10. Apply the formula: ab=ab, where ab=10\cdot -10, a=10 and b=-10. Apply the formula: a+b=a+b, where a=20, b=-100 and a+b=20-100.
Final answer to the problem
$-80$
