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Ede4ka [16]
2 years ago
9

HELP ASAP! Find the value of x. -1x + 72 = -3x + 84

Mathematics
2 answers:
hoa [83]2 years ago
8 0

Answer:

x=6

Step-by-step explanation:

First, add x to each side.

72=-2x+84

Subtract 84 from each side

-12=-2x

Dive each side by -2

6=x

EastWind [94]2 years ago
3 0

Answer:

x=6

Step-by-step explanation:

-1x+72=-3x+84

+3x on both sides

2x+72=84

subtract 72 on both sides

2x=12

divide by 2 on both sides

x=6

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Neko [114]
Second answer: f - 52 = 63.
8 0
2 years ago
Solve for x in terms of r, s and t : s=2x+t/r
Anna007 [38]

For this case we have the following equation:

s = \frac {2x + t} {r}

We must clear the value of the variable "x" as a function of r, s and t:

If we multiply by "r" on both sides of the equation we have:

rs =2x + t

If we subtract "t" on both sides of the equation we have:

rs-t = 2x

If we divide by "2" on both sides of the equation we have:

x = \frac {rs-t} {2}

Thus, the value of the variable "x" is:

x = \frac {rs-t} {2}

Answer:

x = \frac {rs-t} {2}

4 0
3 years ago
What is the value of of y in the equation -3y+11=20
pychu [463]

Answer:

Step-by-step explanation:

-3y+11=20

-3y=20-11

y=9/-3

y=-3

5 0
3 years ago
Read 2 more answers
Write an equation and solve for x.
Sauron [17]

Answer:

120

Step-by-step explanation:

Angles opposite to equal sides are equal .

30 + 30 + x = 180 {Angle sum property of triangle}

       60 + x = 180

               x = 180 - 60

               x = 120

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3 years ago
How much wood does it take to make a storage box that is
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A

Explanation: I guessed and it was right
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