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marin [14]
3 years ago
15

Help please! I need an explanation.

Mathematics
2 answers:
Yakvenalex [24]3 years ago
5 0

Answer:

A

Step-by-step explanation:

artcher [175]3 years ago
5 0

Answer:

6.5

Step-by-step explanation:

I substituted y into the equation

so I set it up like 3x-5(-5x+32)=22

and solved from there

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A1+a2+a3=180 solve for a1
Leviafan [203]
Answer: a1=180-a2-a3....
6 0
3 years ago
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5) 85% of 366.8 is what?<br> A) 431.5 B) 311.8<br> C) 128.1 D) 10146
Nataly_w [17]

Answer: The answer is B

B. 311.78

4 0
3 years ago
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Solve the equation square root 2x – 7 + x = 5 algebraically, and justify the solution set
yarga [219]

Answer: x=4

Step-by-step explanation:

2x-7+x=5

Group like terms:

\left(2x+x\right)-7=5

Simplify the arithmetic:

3x-7=5

Add 7 to both sides:

3x-7+7=5+7

Simplify the arithmetic:

3x=5+7

Simplify the arithmetic:

3x=12

Divide both sides by 3:

\frac{3x}{3}=\frac{12}{3}

Simplify the fraction:

x=\frac{12}{3}

Find the greatest common factor of the numerator and denominator:

x=\frac{4\cdot 3}{1\cdot 3}

Factor out and cancel the greatest common factor and the answer will be:

x=4

5 0
2 years ago
Help help (12 points)
iren2701 [21]

Answer:

2m+2m

Step-by-step explanation:

7 0
2 years ago
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Solve the equation and justify each step.<br> 8.2 - 9 = 7x + 6 - 2x
Snezhnost [94]

Answer:

x = 5

Step-by-step explanation:

8x-9=7x+6-2x

We move all terms to the left:

8x-9-(7x+6-2x)=0

We add all the numbers together, and all the variables

8x-(5x+6)-9=0

We get rid of parentheses

8x-5x-6-9=0

We add all the numbers together, and all the variables

3x-15=0

We move all terms containing x to the left, all other terms to the right

3x=15

x=15/3

x = 5

8 0
3 years ago
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