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Svetach [21]
4 years ago
7

Solve using substitution please y=-3x - 10 y = 6x + 8

Mathematics
2 answers:
Kamila [148]4 years ago
5 0
6x+8=-3x-10
9x=-18
x=-2
-3(-2)-10=-4
So x=-2 and y=-4
Makovka662 [10]4 years ago
4 0

Answer:

x= -2

Step-by-step explanation:

Because both functions are equal to y wr can set the equations equal to each other and solve for x

-3x-10=6x+8

-3x=6x+18.

-9x=18

x=-2.

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Answer:

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Step-by-step explanation:

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The measures of complementary angles have a sum of 90 degrees.Angle A and angle B are complimentary, and their measures have a d
777dan777 [17]

Answer:

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Step-by-step explanation:

Sum of two angles that are complement of each other are 90.

The angles are A and B, so we can write:

A + B = 90

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The difference is 20. Let A be the greater of them, so we can write equation 2 as:

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Now, we add up both equations, eliminate B and solve for A first:

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5 0
4 years ago
Work out value of X​
lord [1]

Answer:

x=39

Step-by-step explanation:

The figure is a parallelogram

we know that

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solve for x

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3 years ago
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