3 years ago

Find the value for x!

Mathematics

1 answer:

finlep [7]3 years ago

4 0

Answer:

x=20

Step-by-step explanation:

3x+15=4x-5

20=x

You might be interested in

Which of the options represents the resulting equation after an equivalent expression for y is substituted into the second equat

Nina [5.8K]

Answer:

Correct choice is D

Step-by-step explanation:

Given the system of two equations:

$\left\{\begin{array}{l}4x+y=8\\6x-9y=12\end{array}\right..$

Fro mthe first equation

$y=8-4x.$

Substitute into the second equation $8-4x$ instead of y:

$6x-9(8-4x)=12.$

Note that $8-4x=-4x+8,$ then the second equation will take look

$6x-9(-4x+8)=12.$

6 0

3 years ago

Read 2 more answers

What is the equation of a line that contains the points 5,0 and 5, -2 x=5 x=0 y=0 y=5

Assoli18 [71]

Check the picture below.

8 0

3 years ago

Read 2 more answers

What is the degree of x4 - 3x + 2?

sukhopar [10]

Answer:

Step-by-step explanation:

Since the highest power of x is 4 in this case.

8 0

4 years ago

RT and GJ are chords that intersect at point H.

Lubov Fominskaja [6]

Answer:

Step-by-step explanation:

4 0

4 years ago

Read 2 more answers

Solve the equation 8-2x=-8x+14

Marina86 [1]

8 - 2x = -8x + 14 subtract 8 from both sides

-2x = -8x + 6 add 8x to both sides

6x = 6 divide both sides by 6

4 0

3 years ago

Read 2 more answers