Final answer to the problem
$21$
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Step-by-step Solution
Specify the solving method
1
Subtract the values $1$ and $-5$
$-4- \left(-8-10\right)+7$
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$-4- \left(-8-10\right)+7$
Learn how to solve problems step by step online. Reduce like terms 1-(-8-10)+7+-5. Subtract the values 1 and -5. Subtract the values 7 and -4. Subtract the values -8 and -10. Multiply -1 times -18.
Final answer to the problem
$21$