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xeze [42]
3 years ago
12

-3 = 7 - BLANK pls tell me what blank is

Mathematics
2 answers:
liberstina [14]3 years ago
4 0

Answer:

10

Step-by-step explanation:

-3 = 7 - x

Add x to both sides

x -3 = 7 - x +x

x - 3 = 7

Now, add 3 to both sides

x - 3 + 3 = 7 + 3

x = 10

Radda [10]3 years ago
4 0

Answer:

\boxed{10}

Step-by-step explanation:

-3=7- \sf BLANK

\sf Subtract \  7 \ from \ sides.

-3-7=-7+7- \sf BLANK

-10=- \sf BLANK

\sf Multiply \  both \ sides \ by \ -1.

-10(-1)=(-1)- \sf BLANK

10= \sf BLANK

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Answer:

10 in

Step-by-step explanation:

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3 years ago
Condense 2log4 + log3 - log2 + log5
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Read 2 more answers
How do you find the <br> y-intercept and the slope for number 11
Sophie [7]
The first step is to find the slope. Use the slope formula

m = (y2-y1)/(x2-x1)

The two points are (x1,y1) = (-1,5) and (x2,y2) = (2,-1)

So,
x1 = -1
y1 = 5
and
x2 = 2
y2 = -1
will be plugged into the slope formula to get...
m = (y2-y1)/(x2-x1)
m = (-1-5)/(2-(-1))
m = (-1-5)/(2+1)
m = (-6)/(3)
m = -2

The slope is -2

Use m = -2 and one of the points to find the y intercept b. I'll use the point (x,y) = (-1,5) ---> x = -1, y = 5

y = mx+b ... slope intercept form
5 = -2*(-1)+b
5 = 2+b
5-2 = 2+b-2
3 = b
b = 3

The y intercept is 3

-----------------------------------

m = -2 is the slope
b = 3 is the y intercept

Therefore y = mx+b turns into y = -2x+3 as the equation that goes through the two points
6 0
3 years ago
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