Respuesta :
Answer:
-37
Step-by-step explanation:
Well for the multiplication its easy because if it is different signs then all you have to do is multiply it normally the add the negatuve sign.
6×5=30
-6×5=-30
2. For adding negative number to a negative number you just add it on.
Answer:
-37
Step-by-step explanation:
Remember to follow PEMDAS and the left -> right rule.
PEMDAS:
Parenthesis
Exponent (& roots)
Multiplication
Division
Addition
Subtraction
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Also, note the rules of sign:
Multiplying...
Positive number and another positive number will result in a positive answer.
Positive number and a negative number will result in a negative answer.
Negative number and another negative number will result in a positive answer.
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Note the question:
5 x -6 + (-7)
First, change the sign for -6 + -7. Note the rule above and change the sign.
5 x -6 - 7
Next, solve. Remember to follow PEMDAS. Multiply 5 and -6 together
5 x -6 = -30
Then, combine the remaining terms.
-30 - 7 = -37
You're answer:
-37
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