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Andrew [12]
3 years ago
7

Add or substract the linear expression.

Mathematics
1 answer:
STatiana [176]3 years ago
4 0

Answer:

-7x - 6

Step-by-step explanation:

1

Distribute

(−2+5)−1(6+4)+(−7)

(−2+5)−6−4+(−7)

2

Eliminate redundant parentheses

(−2+5)−6−4+(−7)

−2+5−6−4+−7

3

Add the numbers

−2+5−6−4+−7

−2−6−6+

4

Combine like terms

−2−6−6+

Answer:

−7−6

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Solnce55 [7]

Given:

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m \angle C D A=9 x+3 and m \angle E D A=6 x+5

To find:

What kind of figure and the value of x

Solution:

All four sides are congruent.

Diagonals bisect each other.

There the given figure is rhombus.

Diagonals bisect the angles.

⇒ m \angle C D A=m \angle E D A

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9 x+3-3=6x+5-3

9 x=6x+2

Subtract 6x from both sides.

9 x-6x=6x+2-6x

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Divide by 3 on both sides.

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The value of x is \frac{2}{3}.

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