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3 years ago

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What is the first step in solving the equation 9m - 2 = 16? Add 2 to each side. Subtract 2 from each side. Divide each side by 9

. Multiply each side by 9.

2 answers:

Butoxors [25]3 years ago

6 0

Answer:

Add 2 to each side

NikAS [45]3 years ago

3 0

Add 2 on both sides so you would get 9m=18. Then divide by 9 on both sides to get m by itself so it would be m=2

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4 years ago

The product of (4z^2 + 7z - 8) and (-z + 3) is -4z^3 + xz^2 + yz - 24. What is the value of x? What is the value of y?

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Answer:

$x=5+\frac{29}{z}-\frac{y}{z}$

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Step-by-step explanation:

Given: $(4z^2+7z-8)(-z+3)=-4z^3+xz^2+yz-24$ ; find x and y.

Let's start with finding x first. Let's distribute the left side of the equation.

$-4z^3+5z^2+29z-24=-4z^3+xz^2+yz-24$

Let's move everything we can to the left side of the equation. Some things will cancel out.

$5z^2+29z=xz^2+yz$

Now, let's move the term that includes $x$ to the left side of the equation. Everything else should be moved to the right.

$-xz^2=-5z^2-29z+yz$

Let's get rid of the negative sign in front of $x$ by dividing both sides by -1.

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To get $x$ completely isolated, divide both sides by $z^2$ .

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Let's solve for y. We will start with the distributed and simplified equation to make it easier.

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Now, let's move the term that includes $y$ to the left side of the equation. Everything else should be moved to the right.

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Again, let's get rid of the negative sign in front of the $y$ by dividing both sides by -1.

$yz=5z^2+29z-xz^2$

To isolate y, divide both sides by z.

$\frac{yz}{z}=\frac{5z^2}{z}+\frac{29z}{z}-\frac{xz^2}{z}$

Simplify.

$y=5z+29-xz$

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.
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=
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4
5
x
2
=
x
10
-
4
5
Move all terms containing
x
x
to the left side of the equation.
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2
x
5
=
−
4
5
2
x
5
=
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4
5
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2
x
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−
4
2
x
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4
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2
2
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x
=
−
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