2 years ago

2а + 20 = -3а - 5 pls help

Mathematics

2 answers:

elena55 [62]2 years ago

8 0

Answer: a = 5

Step-by-step explanation:

To solve, we will isolate the variable a.

Given:

2а + 20 = -3а - 5

Add 3a to both sides of the equation:

5а + 20 = - 5

Subtract 20 from both sides of the equation:

5а = 25

Divide both sides of the equation by 5:

a = 5

sammy [17]2 years ago

4 0

Answer: A= -5

Step-by-step explanation:

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gogolik [260]

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Step-by-step explanation:

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2 years ago

If JK = 7, KH = 21, and JL = 6, find LI, x and TV.

Natali [406]

As per given:

$\begin{gathered} \frac{JK}{KH}=\frac{JL}{LI} \\ \frac{7}{21}=\frac{6}{LI} \\ LI=\frac{21\times6}{7} \\ LI=3\times6 \\ LI=18 \end{gathered}$

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1 year ago

A hexagon has two congruent sides that

dem82 [27]

Answer:

Step-by-step explanation:

2(10) + 4(x-3) = 44

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4 0

3 years ago

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ratelena [41]

These are all linear equations:y = 2x + 1
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6 0

3 years ago

What is the equation of the line that goes through the points (5, 11) and (7,21)?

iragen [17]

Answer:

y = 5x - 14

Step-by-step explanation:

First point coordinates

x₁

y₁

Second point coordinates

x₂

y₂

Result

Slope (m)

m = 10 / 2 = 5 / 1 = 5

Your function

The entered points belong to an increasing, linear function.

Equation: y = 5x - 14.

Hope i helped :)

5 0

2 years ago