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MariettaO [177]
3 years ago
5

Solve for y. 20y - 14y + 4 = 16 y = Submit

Mathematics
2 answers:
Volgvan3 years ago
7 0
Y=2
20y-14y+4=16

collect like terms

6y+4=16

Move constant to the right-hand side and change its sign

6y=16-4

Subtract the numbers

6y=12

divide by 6

y=2
melomori [17]3 years ago
4 0

Answer:

20y-14y+4=16

20y+(-14y) -4   -4

6y=12

y=2

Step-by-step explanation:

Combine like terms

subtrate 4 from each side

Divide 6 by 6 and 12 by 6

There for y=2

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2 years ago
Solve the system by the substitution method.<br> x-2y = -2<br> y = - 3x + 8
aliina [53]

x-2y = -2

x-2(-3x+8)=-2

mutiply the bracket by -2

(-2)(-3x)=6x

(-2)(8)=-16

x+6x-16=-2

7x-16=-2

move -16 to the other side

sign changes from -16 to +16

7x-16+16=-2+16

7x= -2+16

7x= 14

divide both sides by 7

7x/7=14/7

x=2

Find y by using the substitution method

y=-3x+8

y=-3(2)+8

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Answer:(2,2)

6 0
3 years ago
HELP PLEASE. 3(2x+3)=15​
pantera1 [17]

If you are  solving for X then we have to do a few process

What you would want most is to remove the parentheses, so to do that i would use distributive property

3*2x is 6x and 3*3 is 9  so our new equation will look like

6x+9=15 if you don't understand please tell me

now we must bring the 9 over

If you bring the 9 over than it would become negative

6x=15-9

so 6x=6

and now you can solve the answer is x=1

7 0
1 year ago
Read 2 more answers
A figure lies entirely in Quadrant I. The figure is reflected in the xx-axis. In which quadrant is the image?
FinnZ [79.3K]
The image would then be in quadrant 3 because say you "folded" the coordinate plane across the x-axis, then the point attached onto the other side of the plane, the point would be in the 3rd quadrant.
8 0
3 years ago
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