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2 years ago

Solve for x: 4x + 15 = -21 + 2x PLS ANSWER FAST‼️‼️

Mathematics

2 answers:

Alex787 [66]2 years ago

7 0

Answer:

the answer is x=18

Step-by-step explanation:

Dimas [21]2 years ago

7 0

Your answer for this problem will be
Answer: x = - 18

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Use the discriminate to determine the number and the nature of the solutions of the giving equation

netineya [11]

Answer: x-1/6

Step-by-step explanation:

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3 years ago

Lol not good with averages pls help

Ivenika [448]

15 is the answer i divided

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2 years ago

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How do you solve b+(–2)=0

vitfil [10]

B + (-2) = 0

Here, we need to do the inverse operation, and apply it to BOTH sides of teh equation.

b -2 = 0
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b = 2

Now we have our answer, b = 2

Final answer: b = 2

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3 years ago

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Express the interval using inequality notation.<br> (-♾,-11) U (7,♾)

gulaghasi [49]

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2 years ago

What are the expressions?

Romashka [77]

<h2>Explanation:</h2>

Here we need to solve some expressions. Remember the following rules:

$(+)(+)=+ \\ \\ (-)(-)=+ \\ \\ (+)(-)=- \\ \\ (-)(+)=-$

Then, from the left side:

$5-2\cdot 7=5-14=\boxed{-9} \\ \\ 5-2\cdot 4=5-8=\boxed{-3} \\ \\ 5-2\cdot 0=5-0=\boxed{5} \\ \\ 5-2\cdot -3=5+6=\boxed{11} \\ \\ 5-2\cdot 10=5-20=\boxed{-15} \\ \\ 5-2\cdot -8=5+16=\boxed{21} \\ \\$

from the right side:

$-(-4)+3=4+3=\boxed{7} \\ \\ -(6)+3=-6+3=\boxed{-3} \\ \\ -(-8)+3=8+3=\boxed{11} \\ \\ -(-5)+3=5+3=\boxed{8} \\ \\ -(2)+3=-2+3=\boxed{1} \\ \\ -(15)+3=-15+3=\boxed{-12} \\ \\ -(-6)+3=6+3=\boxed{9}$

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3 years ago