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2 years ago

Which of the following shows the graphical representation of the solution for the one-variable linear equation 2x – 1 = 3?

Mathematics

2 answers:

NISA [10]2 years ago

7 0

I graphed it for you

Elenna [48]2 years ago

5 0

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

$2x-1=3$

solve for x

$2x-1=3$

Adds $1$ both sides

$2x-1+1=3+1$

$2x=4$

Divide by $2$ both sides

$2x/2=4/2$

$x=2$

the graph in the attached figure

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N(17+x)=34x−r<br> I need to solve for x

Paraphin [41]

Answer:

The value of x is, $x= \frac{17N+r}{34-N}$

Explanation:

Given: $N(17+x)=34x-r$

Distributive Property states that when a number is multiplied by the sum of two numbers, the first number can be distributed to both of those numbers and multiplied by each of them separately.

If $a\cdot(b+c) =a\cdot b + a\cdot c$

Now, using distributive property on left hand side of the given expression as:

$N\cdot 17+N\cdot x = 34x-r$ or $17N+Nx = 34x-r$

Addition Property of equality state that we add the same number from both sides of an equation.

Add r to both sides of an equation:

$17N+Nx+r=34x-r+r$

Simplify:

$17N+Nx+r=34x$

Subtraction Property of equality state that we subtract the same number from both sides of an equation.

Subtract Nx from both sides of an equation;

$17N+Nx+r-Nx=34x-Nx$

Simplify:

$17N+r=34x-Nx$

$17N+r=x(34-N)$

Division Property of equality states that we divide the same number from both sides of an equation.

Divide by (34-N) to both sides of an equation;

$\frac{17N+r}{34-N}= \frac{x(34-N)}{34-N}$

On Simplify:

$x= \frac{17N+r}{34-N}$

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Step-by-step explanation:

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