3 years ago

4(x-1)-3(x-2)=-8 How do you solve this?

Mathematics

2 answers:

hoa [83]3 years ago

4 0

Answer:

x = -10

Step-by-step explanation:

Remember: PoE = Property of Equality.

Equation: 4(x - 1) - 3(x - 2) = -8

4x - 4 - 3x + 6 = -8 ^ Distributive PoE

1x + 2 = -8 ^ Combine like-terms

x = -10 ^ Subtraction PoE

aleksandrvk [35]3 years ago

3 0

Answer:

-10

Step-by-step explanation:

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Read 2 more answers

Angle XYZ = 2X° and angle PQR = (8X -20)°. If angle XYZ and angle PQR are supplementary, find the measure of each angle. Angle P

Alchen [17]

Answer:

$PQR = 140$

Step-by-step explanation:

Given

$XYZ = 2X$

$PQR = 8X - 20$

Required

Find PQR

Since both angles are supplementary, we have:

$XYZ + PQR = 180$

This gives:

$2X + 8X - 20 = 180$

$10X - 20 = 180$

Collect Like Terms

$10X = 20 + 180$

$10X = 200$

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7 0

3 years ago

y varies inversely with x, and k (the constant of variation) = 23. What is the value of y when x = 7? Round to the nearest tenth

Natasha2012 [34]

Hello!

<span>The constant of variation is xy. XY=23. If X=7 then Y=23/7.
</span>
So as we can see, the stated inverse variation can be represented as the equation y = k/x. ===> k = 23 & x = 7 ⇒ y = 23/7. <====

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8 0

3 years ago