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DaniilM [7]
3 years ago
11

Given: 3x+1 = -14; Prove: x=-5

Mathematics
2 answers:
Sav [38]3 years ago
6 0

Answer: the most straight-forward way to prove this is to plug -5 in the equation as the value of x. If the the equality holds, it is proven that x=-5:

3x+1=-14       | use x=-5

3(-5)+1=-14

-15+1=-14

-14=-14  --> equality holds --> x=-5 is a solution to 3x+1=-14

Vilka [71]3 years ago
6 0

Answer:

Given,

3x+1=-14----(1)

We have to prove that,

x = - 5

Subtracting 1 on both sides in equation (1), ( Subtraction property of equality )

3x+1-1=-14-1

3x=-15

Divide both sides by 3 ( division property of equality )

x=\frac{-15}{3}

x=-5

Hence, proved....

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</span>

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