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Taya2010 [7]
3 years ago
14

Which is a correct first step for solving this equation? 2 + 7 = 2x + 5 - 43

Mathematics
2 answers:
Nina [5.8K]3 years ago
5 0

Answer:

Combine the like terms

Step-by-step explanation:

2 + 7 = 2x + 5 - 43

The first step is to combine the like terms

9 = 2x - 38

iragen [17]3 years ago
4 0

Answer:

5

Step-by-step explanation:

OMG OOPS ITS WRON WUSTION SRRY

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Solve y = x + 6 for X.<br> x= y + 6<br> x= -y + 6<br> x = y - 6<br> x= -y - 6
damaskus [11]

Answer:

x=y-6

Step-by-step explanation:

First, flip the equation.

x+6=y

Finally, add -6 to both sides.

x+6+−6=y+−6

x=y−6

6 0
2 years ago
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Solve the equation. Check your solutions when necessary.<br><br><br>2x² − 7x = 4
prisoha [69]

Answer:

x= -1/2 = -0.500

x=4

Step-by-step explanation:

2x^2-7x-4=0

2x^2-8x+1x-4=0

2x(x-4)+1(x-4)=0

(2x+1)(x-4)=0

2x+1=0...2x= -1.. x= -1/2         x-4=0 .. x=4

checking the solution

2(-1/2)^2-7(-1/2)=4.....  4=4

2(4)^2-7(4)=4....... 4=4

5 0
3 years ago
If ƒ
SSSSS [86.1K]
(B)
if <em>f</em>(a) = K, then that means <em>f </em>sends (a) to (K). 
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3 years ago
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The three sides of a triangle measure 8,10 and 12 units. Is this a right triangle? Prove whether it is or not using the converse
kvasek [131]

Answer:

square of longest side ≠ the sum of the squares of the other two sides

It's not a right triangle

Step-by-step explanation:

The converse of the Pythagorean Theorem is: If the square of the length of the longest side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle.

square of longest side: 12       12² = 144

the sum of the squares of the other two sides: 8² + 10² = 164

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3 years ago
Help ASAP
polet [3.4K]

Answer:

a and c

Step-by-step explanation:

3 0
3 years ago
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