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Sonja [21]
3 years ago
6

The difference of three times a number and six is nine

Mathematics
2 answers:
Artyom0805 [142]3 years ago
6 0

Answer:

3x-6=9 is your equation x=5

Step-by-step explanation:

Step 1: Add 6 to both sides

Step 2: Divide both sides by 3

3241004551 [841]3 years ago
4 0

Answer:

n=5

Step-by-step explanation:

<em>Write an equation </em>

<em>The difference of 3 times a number and six </em>

Difference means subtract. Times means multiply. And means add.

So, 3 times a number, n minus 6

3n-6

<em>Is nine </em>

Is means equal

= 9

3n-6=9

<em>Solve </em>

3n-6=9

Add 6 to both sides

3n-6+6=9+6

3n=15

Divide both sides by 3

3n/3=15/3

n=5

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an online sporting goods store charges $12 for a pair of athletic socks. shipping is $2 per order. write an expression that hana
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A line has a slope of 5 and passes through the point (-1,2).
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Step-by-step explanation:

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5 0
3 years ago
which equations are equivalent to 3/4+m=-7/4 check all that apply m=10/4 m=-10/4 m=-5/2 11/4+m=-1/4 -5/4+m=-15/4 m+2=-0.5 Help f
Alecsey [184]

Answer:

The correct choices are; B,C,E, and F.

Step-by-step explanation:

The given equation is;

\frac{3}{4}+m=-\frac{7}{4}

We solve for m to obtain:

m=-\frac{7}{4}-\frac{3}{4}=-2.5

We also solve the remaining equations to see which ones give the same result.

A: m=\frac{10}{4} =2.5

B:m=-\frac{10}{4} =-2.5

C:m=-\frac{5}{2} =-2.5

D: \frac{11}{4}+m=-\frac{1}{4}

m=-\frac{1}{4}-\frac{11}{4}=-3

E: -\frac{5}{4}+m=-\frac{15}{4}

m=-\frac{15}{4}+\frac{5}{4}=-2.5

F: m+2=-0.5

m=-0.5-2=-2.5

The equivalent equations are; B,C,E, and F.

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3 years ago
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