Please solve all the steps and I will mark brainiest and give 20 points Solve the system by elimination.
3u+3v=15
−2u+3v=−5

u=4, v=1, or as a point, (4, 1)

Step-by-step explanation:

Hi there!

We are given the following system:

3u + 3v = 15

-2u + 3v = -5

We are asked to solve this system by elimination, where we will add the two equations together to clear one of the variables, solve for the non-cleared variable, then substitute the value of the non-cleared variable to find the value of the variable that was originally cleared

Because we want to clear one of the variables, we need to make sure that the coefficients in front of the variable we want to clear are opposites; like -2 and 2

3v is in both equations, but it's both positive. So let's multiply one of the equations by -1 to change the sign of it

Taking the second equation for example,

-1(-2u + 3v = -5)

Multiply

2u - 3v = 5

Now stack up the equations again:

3u + 3v = 15

2u - 3v = 5

Add the equations together:

5u=20

Divide both sides by 5

u=4

Now substitute 4 as the value of u into one of the equations to solve for v

Using 3u + 3v =15 for example,

3(4)+3v=15

Multiply

12 + 3v=15

Subtract 12 from both sides

3v=3

Divide both sides by 3

v=1

The answer is u=4, v=1, or as a point, (4, 1)

Hope this helps!

step-by-step explanation: the declaration of the rights of man and of the citizen (french: déclaration des droits de l'homme et du citoyen de 1789), set by france's national constituent assembly in 1789, is a human civil rights document from the french revolution.[1]

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answer: the answer is 110