What is -5x-5(8x)=0 solve for x

2 answers:

7 0

Multiply -5 and 8x to get -40x
then subtract 40x from -5x to get -45x
lastly divide 0 by -45 to get 0
x=0
hope this helps :)

kolbaska11 [484]3 years ago

4 0

-45(x) = 0 {Solve this}
Now, lets multiply (×) by both sides of the problem
45{x} = 0
Divide each of the sides of the problems by the number 45
So, this means that the value of x is probably going to be 0 ; x = 0

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3 years ago

Please help!! Need an explanation by tomorrow and I am super confused!

vovangra [49]

Answer:

x = 35

y = 7

Step-by-step explanation:

See how the image looks like two overlapping triangles. It is given that the triangles are congruent. Its easier to see whats what if you draw the triangles separately. I also flipped over the triangle on the right so they match. Record the given angle measures. Since A is 45° then D is also 45°. DBC is 30°, so we can find the missing angle in triangle DBC. Angles in a triangle add up to 180° so

C + 45 + 30 = 180

C + 75 = 180

C = 105°

This is angle DCB.

Now all the angles are marked. We can set up equations to find x and y. see image.