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First, we solve the multiplication exercise, that is where there is a plus or minus sign before another sign.
Now we solve as a common exercise from left to right:
What will be the sign of the result of the next exercise?
\( (-2)\cdot(-4)= \)
When you have two negative signs next to each other, they cancel out and become positive. Think of it as: subtracting a negative is the same as adding a positive!
Yes! For addition and subtraction problems like this, always work from left to right to avoid mistakes. Don't try to rearrange or skip around.
Write each step clearly: , then , then , finally . Show every calculation!
Break it down step by step! First handle the double negative, then tackle one operation at a time. Use a number line if it helps you visualize adding and subtracting.
The best 'shortcut' is being systematic: handle sign rules first, then calculate left to right. Rushing through these problems usually leads to sign errors!
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