Help me with problems 39 a-d

Mathematics

2 answers:

BabaBlast [244]3 years ago

8 0

A) -4
d) -3.1
for these questions you have to subtract the two numbers since they have different signs and the biggest sign is the ending sign

Kaylis [27]3 years ago

3 0

Well when you add negative number to a positive number its like subtracting, forget the negative sign is even there and subtract like lets say 1 number was -6.89 and the other one was 3.89 you subtract and if the negative number is more then the positive number you put the negative sign in front so the answer is -3.00 just keep doing that and you should be fine hope I helped :)

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Solve for <br> 3x + 12= -12

oee [108]

Answer:

x = -8

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract 12 from both sides:

3x + 12 (-12) = -12 (-12)

3x = -12 - 12

3x = -24

Next, divide 3 from both sides: