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Anna71 [15]
3 years ago
14

Simplify. X+1 - 1 - 4.2

Mathematics
2 answers:
Hoochie [10]3 years ago
5 0

Answer:

X − 4.2

Step-by-step explanation:

LenKa [72]3 years ago
4 0

Answer:

x - 4.2

Step-by-step explanation:

x + 1 - 1 = x

so x - 4.2 is the simplest i believe <3

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Mary ate 5 slices of pie. Arther ate 2 slices. If Mary ate 5/10 of the pie and all the slices werethe same size, what fraction o
viktelen [127]
5/10 +2/10= 7/10 10/10-7/10= 3/10
Your answer is 3/10
4 0
4 years ago
Read 2 more answers
What method can you use to prove the triangles below are congruent?
valina [46]

Answer:

SSS therom should use to solve this

Step-by-step explanation:

try to explain how the 3sides are corresponding with each other in between of these triangle .

3 0
3 years ago
what is the sum of two numbers is "-7." Two times the first number equals 4 the second number. Find the two numbers.
skelet666 [1.2K]

Answer:

\sf \text{The numbers are $\dfrac{-14}{3} $ and $\dfrac{-7}{3}$}

Step-by-step explanation:

Let the numbers be x , y

Sum of two numers = -7

x + y = -7------------(I)

Two times the first number equals 4 the second number.

2x = 4y  ----------(II)

Divide both sides by 2

       \sf \dfrac{2x}{2}=\dfrac{4y}{2}

        x = 2y

Subtitute x = 2y in equation (I)

2y + y = -7

      3y = -7

       y = -7/3

Plugin y = -7/3 in equation (II)

\sf 2x = 4*\dfrac{-7}{3}\\\\2x = \dfrac{-28}{3}\\\\x =\dfrac{-28}{3*2}\\\\x = \dfrac{-14}{3}

4 0
2 years ago
B)<br> Solve the system by substitution.<br> 2x – 6y = –24<br> x = 5y – 22
Olegator [25]

Answer:

Solution: 2x-6y divided by -24

2x=-24(-6y)

2x=6y-24

x=(6y-24) divided by 2

x=(6y-24)x 1/2

x=6y x 1/2 -24 x 1/2

x=3y-24x1/2

x=3y-12

3 0
3 years ago
Simplify 5(x+1)−7(x−1)
Alex

Answer: 9 - 2x

Step-by-step explanation:

5x + 1 - 7x + 8

9 - 2x

4 0
3 years ago
Read 2 more answers
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