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3 years ago

Find the value of x.

Mathematics

2 answers:

dlinn [17]3 years ago

8 0

Answer:x=120

Step-by-step explanation:add the other two angles

=50 +70= 120

Maksim231197 [3]3 years ago

3 0

Answer:

x = 120 degrees

Step-by-step explanation:

50 + 70 = 120

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scoundrel [369]

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Given that,

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$y + 7 = \frac{-2}{5}(x-10)$

We have to write the standard form of the equation

The standard form of an equation is Ax + By = C

In this kind of equation, x and y are variables and A, B, and C are integers

Let us convert the given equation into standard form

$y + 7 = \frac{-2}{5}(x-10)\\\\\text{Simplify the right hand side of equation }\\\\y + 7 = \frac{-2x}{5}+\frac{20}{5}\\\\y + 7 = \frac{-2x +20}{5}\\\\5(y+7) = -2x + 20\\\\\text{Simplify the left hand side of equation }\\\\5y + 35 = -2x + 20\\\\\text{Move the variables to left side of equation and constants to right side }\\\\2x + 5y = 20 - 35\\\\2x + 5y = -15$

Thus the standard form of equation is found

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