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alisha [4.7K]
3 years ago
9

-4 (x -3) = 20

Mathematics
2 answers:
luda_lava [24]3 years ago
8 0
Where did the 20 go
it just magically disappeared in the equation
-4(x-3)=20
-4x+12=20
move 12 to the other side , making it negative
-4x=20-12
-4x=8
x=-2
Rudiy273 years ago
3 0

Answer:

x=-2

Step-by-step explanation:

Hi! i see your having trouble let me help you :-)

Let's solve your equation step-by-step.

−4(x−3)=20

Step 1: Simplify both sides of the equation.

−4(x−3)=20

(−4)(x)+(−4)(−3)=20(Distribute)

−4x+12=20

Step 2: Subtract 12 from both sides.

−4x+12−12=20−12

−4x=8

Step 3: Divide both sides by -4.

−4x−4=8−4

x=−2

Answer:

x=−2

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8 0
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M(2,5) is the midpoint of RS. The coordinates of S are (3,9). What are the coordinates of R?
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Step-by-step explanation:

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Read 2 more answers
You want to put a fence around your field. The cost of fencing is $60 per meter. The
Darina [25.2K]
Cost per meter(C) = $60/m
Length of rectangular field(L) = 50m
L = 2W
-> W = L/2
-> W = 50/2
-> Width of rectangular field = 25m
Cost of one field length(l) = L x C
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Two of the lengths of the field = 2 x l
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3 0
3 years ago
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