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trapecia [35]
3 years ago
8

Help me pls I give brainiest ​

Mathematics
2 answers:
Sophie [7]3 years ago
5 0

Answer:

x-7

Step-by-step explanation:

if you minus x-7 you would get a different answer cause its reversed

vova2212 [387]3 years ago
5 0

Answer:

The answer is B. x-7

Step-by-step explanation:

The others are mathematically correct. The reason B. is incorrect is because you cannot swap the (x) in a subtraction problem, like in addition or multiplication.  It would make the answer completely incorrect, unlike the others.

The reason the others are correct is because a negative plus a positive (C.) would make it a positive, like A.. For example if you are on a number line, you would start at point C.. on the negative side. If you were to go to the right 7 times, because we are adding. It would give us the same answer as A..

D. is the same problem as C., just in a different form. We would do this problem the same way as we did C.. If we do it the same way, of course it would be the same as A. also.

Because we know this, it make B. the odd ones out, making it the correct answer. Hope this helped!

You might be interested in
Solve for x ax-bx/x+c = d, if a =/b+d
erica [24]

Answer:

dc/a-b-d

Step-by-step explanation:

ax – bx = d

x + c

Multiply both sides by x + c

ax – bx

(x + c) = d(x + c)

x + c

Simplify

ax – bx

(x+c): ax – bx

x + c

ax – bx = d(x+c)

Expand d(x+c): dx + cd

ax — bx = dx + cd

Subtract dx from both sides

ax – bx – dx = dx + cd – dx

Simplify

ax – bx – dx = cd

Factor ax – bx – dx: x(a – b – d)

x(a - b- d) = cd

Divide both sides by a – b – d; a + b + d

x(a – b - d) cd

a + b + d

a - b - d

a – b-d

Simplify

X =dc/a-b-d

7 0
3 years ago
Which of the following is equivalent to (2a + a)(3b + 1)?
yaroslaw [1]

Answer:

9ab+3a

Step-by-step explanation:

(2a+a)(3b+1)=(3a)(3b+1)

3a(3b+1)

=(3a×3b)+3a×1

=9ab+3a

7 0
3 years ago
Which equation is equivalent to the expression (-2x to the power of two) (3x to the power of 5)?
navik [9.2K]

Answer: pretty sure the answer is D

Step-by-step explanation:

7 0
2 years ago
Please answer ASAP! Thank you in advance, and remember to use wash your hands for 1 minute with antibacterial soap!!
Anastasy [175]

Answer: x=80

Step-by-step explanation:

x/8=10

x=8*10

x=80

5 0
3 years ago
What is a possible value of x if -5 < x < 0? A-6 B3 C-3 D6
sertanlavr [38]

Answer:

C. -3

Step-by-step explanation:

Given

Inequality; -5 < x < 0

Required:

A possible value of x

First, the inequality needs to be interpreted

The inequality reads.

-5 < x < 0

This means -5 is less than x and x is also less than 0

In other words, x is greater than -5 and x is less than 0.

With the illustration above, x starts from-4 and ends at -1, i.e. the range of x can be said to be -4 to -1

Possible Values of x: -4,-3,-2,-1

From. Option A through D, only -3 which is option C can be seen in this range.

Hence, -3 is a possible value

7 0
3 years ago
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