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3 years ago

Please help me with this 3x=9

Mathematics

2 answers:

fenix001 [56]3 years ago

6 0

Answer:x = 3

Step-by-step explanation:

X =9/3

X=3

Julli [10]3 years ago

5 0

First you get the variable to one side of the equals sign (in this case it already is) then you divide the number next to the variable and divide it by the number on the other side of the equals side. So the answer is 3

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3 years ago

Found out g<br> 2(g - 15) = -26 <br> Please help

posledela

Answer: $g=2$

Step-by-step explanation:

To solve this exercise you need to remember the following properties:

1. The Distributive property states that:

$a(b+c)=ab+ac\\\\a(b-c)=ab-ac$

2. The Addition property of Equality statest that:

If $a=b$ , then $a+c=b+c$

3. The Subtraction property of Equality statest that:

If $a=b$ , then $a-c=b-c$

4. The Division property of Equality statest that:

If $a=b$ , then $\frac{a}{c}=\frac{b}{c}$

5. The Multiplication property of Equality statest that:

If $a=b$ , then $a*c=b*c$

Given the equation:

$2(g - 15) = -26$

You must solve for "g" in order to find its value:

- Apply the Distributive property:

$2g - 30= -26$

- Apply the Addition property of Equality adding 30 to both sides of the equation:

$2g - 30+30= -26+30\\\\2g=4$

- Apply the Division property of Equality dividing both sides by 2:

$\frac{2g}{2}=\frac{4}{2}\\\\g=2$

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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