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3 years ago

What is the solution to 5a-15+9a=3a+29

Mathematics

2 answers:

mart [117]3 years ago

5 0

Combine like terms:

5a + 9a - 15 = 3a + 29

14a - 15 = 3a + 29

Subtract 3 from both sides and add 15 to both sides to get constants on one side of the equal side and variables on the other.

14a - 3a = 29 + 15

Combine like terms again:

11a = 44

Divide by 11 on both sides to isolate the variable:

a = 44/11

a = 4

pogonyaev3 years ago

3 0

5a-15+9a=3a+29

We simplify the equation to the form, which is simple to understand

5a-15+9a=3a+29

We move all terms containing a to the left and all other terms to the right.

+5a+9a-3a=+29+15

We simplify left and right side of the equation.

+11a=+44

We divide both sides of the equation by 11 to get a.

a=4

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castortr0y [4]

a) a *5+5= 20

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8 0

2 years ago

Read 2 more answers

A bike rental company charges a fee per hour. The charge, in dollars, is the same each hour. The ordered pairs (3, 13.50) and (5

olchik [2.2K]

If the function is y = 4.5x. Then the rate of change of the function expressed as a unit rate will be 4.5.

<h3>What is the linear system?</h3>

A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.

A bike rental company charges a fee per hour.

The charge, in dollars, is the same each hour.

The ordered pairs (3, 13.50) and (5, 22.50) represent the corresponding hours, x, and cost, y.

Then the linear equation is given as

$\begin{aligned} \rm y - 22.5 &= \rm \dfrac{22.5 - 13.5}{5 - 3} (x- 5)\\\\\rm y - 22.5 &= \rm 4.5x - 22.5\\\\\rm y &= \rm 4.5x \end$

Then the rate of change of the function expressed as a unit rate will be

$\rm \dfrac{dy}{dx} = \dfrac{d}{dx} (4.5x )\\\\\dfrac{dy}{dx} = 4.5$

More about the linear system link is given below.

brainly.com/question/20379472

#SPJ1

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2 years ago