What is the value of x in the solution to the system of linear equations?

2 answers:

6 0

Since y=x-4 you would simply just plug that into 'y' on the other equation, given: x-4=3x+2.
Subtract x from both sides, it will leave you with -4=2x+2.
Next you would subtract 2 from both sides, leaving you with -6=2x.
All you need now is to get rid of the coefficient in front of 'x' so you divide both sides with 2, leaving you with your answer: -3=x.

Answer: -3=x

Hope this helps!

alisha [4.7K]3 years ago

6 0

Hi there! The answer is x = -3

y = 3x + 2
y = x - 4

Since y equals 3x + 2 AND y equals x - 4, we can say that 3x + 2 equals x - 4. So, we get
$3x + 2 = x - 4$

Collect the terms (subtract x from both sides and subtract 2 from both sides)
$2x = - 6$

Divide by 2
$x = \frac{ - 6}{2} = - 3$

Therefore x = -3

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<h3>Trigonometric identity</h3>

Trigonometric Identities are the equalities that involve trigonometry functions and hold true for all the values of variables given in the equation.

Trig ratios help us calculate side lengths and interior angles of right triangles:

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To know more about trigonometric identity click the link given below.

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