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Solve the equation for y. Then find the value of y for each value of x.

y + 2x = 5; x = - 2, 0, 3

Sagot :

MrRoyal

The solution of the equation for y is y = 5 - 2x and the values of y are 9, 5 and -1

How to solve the equation for y?

The equation is given as

y + 2x = 5

Subtract 2x from both sides of the equation

So, we have

y + 2x - 2x = 5 - 2x

Evaluate the like terms

y = 5 - 2x

Next, we solve the function for the values of x

When x = -2, we have:

y = 5 - 2 * -2

Evaluate

y = 9

When x = 0, we have:

y = 5 - 2 * 0

Evaluate

y = 5

When x = 3, we have:

y = 5 - 2 * 3

Evaluate

y = -1

Hence, the solution of the equation for y is y = 5 - 2x and the values of y are 9, 5 and -1

Read more about linear equations at:

https://brainly.com/question/1884491

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The value of y when x = -2 , 0 , 3 are 9, 5 and -1 respectively.

How to determine the value

Given the equation;

y + 2x = 5

Make 'y' the subject of formula

y = 5 - 2x    (1)

When x = -2

Let's substitute the value of x as -2 in equation (1)

y = 5 - 2(-2)

expand the bracket

y = 5 + 4

y = 9

When x = 0

Substitute the value of x = 0

y = 5 -2(0)

y = 5 - 0

y = 5

When x = 3

Substitute the value of x = 3

y = 5 - 2(3)

y = 5 - 6

y = -1

Thus, the value of y when x = -2 , 0 , 3 are 9, 5 and -1 respectively.

Learn more about linear equations here:

https://brainly.com/question/4074386

#SPJ1

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