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3 years ago

5

Select all equations that are equivalent to 5x+(x+6)+3x

1 answer:

12345 [234]3 years ago

8 0

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Help me fast pleasee

Vinil7 [7]

Answer:

y=3x

Step-by-step explanation:

hope it helped

5 0

3 years ago

What is the vintercept of the line whose equation is y= 1/2x-3

klemol [59]

Answer:

The y-intercept of line is (-3)

Step-by-step explanation:

Given equation of line is given by y= $\frac{1}{2}x-3$

The general equation of line is given y=mx+c

Where, m= slope of line

c= y-intercept of line

On comparing both the equation.

c=(-3)

OR

y-intercept is when x=0,

therefore,

y= $\frac{1}{2}x-3$

y= $\frac{1}{2}(0)-3$

y=(-3)

Thus, y-intercept of line is (-3)

8 0

3 years ago

Help me with this problem

ryzh [129]

Answer:

angle 1 = angle 3

= 180°-136°

=44°

= angle 3

3 0

3 years ago

Distribute and combine √12x(-1+√5

gladu [14]

Answer:

-2 $\sqrt{3x}$ + 2 $\sqrt{15x}$

Step-by-step explanation:

8 0

3 years ago

Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

7 0

4 years ago