2 years ago

−20=−4x−6x Find the value of x

Mathematics

1 answer:

xeze [42]2 years ago

4 0

Answer:

$\huge\boxed{x=2}$

Step-by-step explanation:

$-20=-4x-6x\qquad|\text{combine like terms}\\\\-20=-10x\qquad|\text{divide both sides by (-10)}\\\\\dfrac{-20}{-10}=\dfrac{-10x}{-10}\\\\2=x\to x=2$

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A store is having a sale on trail mix and jelly beans. For 6 pounds of trail mix and 5 pounds of jelly beans, the total cost is

-Dominant- [34]

6t + 5j= 34
2t + 3j = 16

12t + 10 j = 68
12t + 18j = 96
-8j = -28
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jelly beans= 3.5 and trail mix = 2.75

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3 years ago

The sum of 5 times a number and -2, added to 8 times the number.

Shkiper50 [21]

Step-by-step explanation:

sum of 5 times a number and -2, + 8n

becomes:

5n + (-2) + 8n, or

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2 years ago

2x-7=-3x+18<br><br><br> solve for x

Gre4nikov [31]

Answer:

x=5

Step-by-step explanation:

2x−7=−3x+18

Step 1: Add 3x to both sides.

2x−7+3x=−3x+18+3x

5x−7=18

Step 2: Add 7 to both sides.

5x−7+7=18+7

5x=25

Step 3: Divide both sides by 5.

x=5

4 0

3 years ago

Read 2 more answers

3 + c = -14 what does c equal

vodka [1.7K]

The answer is 11 so C=11.

8 0

3 years ago

A) Work out the value of (square root of 5)^2 x (square root of 3)^2?

gulaghasi [49]

Answer:

Step-by-step explanation:

Square root of 5=√5

Square of the square root=(√5)^2

Square root of 3=√3

Square of the square root=(√3)^2

So (square root of 5)^2×(square root of 3)^2

5×3

Therefore the final answer is 15

6 0

2 years ago