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Sagot :
Certainly! Let's solve the expression step-by-step.
We need to evaluate the expression:
[tex]$15(-5) + (+3) + (-2) + (-7)$[/tex]
1. First, let's calculate [tex]\( 15 \times (-5) \)[/tex]:
[tex]\[ 15 \times (-5) = -75 \][/tex]
So after the first step, we have:
[tex]\[ -75 \][/tex]
2. Next, we add [tex]\( +3 \)[/tex] to the result:
[tex]\[ -75 + 3 \][/tex]
Adding 3 to -75, we get:
[tex]\[ -72 \][/tex]
So after the second step, we have:
[tex]\[ -72 \][/tex]
3. Now, we add [tex]\( -2 \)[/tex] to the result:
[tex]\[ -72 + (-2) \][/tex]
Adding -2 to -72, we get:
[tex]\[ -74 \][/tex]
So after the third step, we have:
[tex]\[ -74 \][/tex]
4. Finally, we add [tex]\( -7 \)[/tex] to the result:
[tex]\[ -74 + (-7) \][/tex]
Adding -7 to -74, we get:
[tex]\[ -81 \][/tex]
So after the final step, we have:
[tex]\[ -81 \][/tex]
Therefore, the value of the expression [tex]\( 15(-5) + (+3) + (-2) + (-7) \)[/tex] is:
[tex]\[ \boxed{-81} \][/tex]
We need to evaluate the expression:
[tex]$15(-5) + (+3) + (-2) + (-7)$[/tex]
1. First, let's calculate [tex]\( 15 \times (-5) \)[/tex]:
[tex]\[ 15 \times (-5) = -75 \][/tex]
So after the first step, we have:
[tex]\[ -75 \][/tex]
2. Next, we add [tex]\( +3 \)[/tex] to the result:
[tex]\[ -75 + 3 \][/tex]
Adding 3 to -75, we get:
[tex]\[ -72 \][/tex]
So after the second step, we have:
[tex]\[ -72 \][/tex]
3. Now, we add [tex]\( -2 \)[/tex] to the result:
[tex]\[ -72 + (-2) \][/tex]
Adding -2 to -72, we get:
[tex]\[ -74 \][/tex]
So after the third step, we have:
[tex]\[ -74 \][/tex]
4. Finally, we add [tex]\( -7 \)[/tex] to the result:
[tex]\[ -74 + (-7) \][/tex]
Adding -7 to -74, we get:
[tex]\[ -81 \][/tex]
So after the final step, we have:
[tex]\[ -81 \][/tex]
Therefore, the value of the expression [tex]\( 15(-5) + (+3) + (-2) + (-7) \)[/tex] is:
[tex]\[ \boxed{-81} \][/tex]
Answer:
Step-by-step explanation:
15(-5)+3-2-7
= -75+3-9
= -72-9
=-81
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