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Lelu [443]
3 years ago
8

Given: f(x) = 8 - 4 x

Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0
F (-2)=8-4×-4=+16
f(x)=8 so 8 =8-4x so x=0
it is liner algebra . I will send you the graph and every thing later . like in 5 min .
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10(1+3x)=-20 and -5x-8(1+7x)=-8 <br> With steps
SOVA2 [1]

(1)

10(1+3x)=-20

Cross multiply.

10+30x=-20

Isolate x on one side. So you would subtract 10 on each side. and one side will cross each other out. leaving you with,

30x=-20-10

Subtract 10 from -20.

30x=-30

Divide each side by 30 to get x.

30x÷30=-30÷30

Therefore,

x=-1

(2)

-5x-8(1+7x)=-8

Cross multiply -8(1+7x)

-5x-8-56x=-8

Isolate all x's on one side. So you would add 8 on each side. and one side will cross each other out. leaving you with,

-5x-56x=-8+8

Add 8 to -8.

-5x-56x=0

Subtract -56x from -5x

-61x=0

Divide each side by -61

-61x÷-61=0÷-61

Therefore,

x=0

6 0
3 years ago
True or false? I don’t know how to tell any of this stuff if anyone could give pointers on how to tell which is which that would
mafiozo [28]
True by side angle side. You already have 2 congruent sides, so then do right angles congruence theorem to get the angles are congruent
5 0
3 years ago
Plz help me solve these problems
leva [86]

Answer: <em><u>CAN YOU PLS MARK AS BRAINLIEST??</u></em>

a.x=11/4

b.x=6

c.x=21/2

d.x=0

Step-by-step explanation:

-2+3x+x=9-x

-2+3x+x=9

4x=9+2

4x=11

x=11/4

when you move a numerator to the other side it becomes a denominator

x+2=3/4x6

x+2=3/24

x=8-2

x=6

5-2x-12=14

2x=14-5+12

2x=21

x=21/2

1/2x=-3-1/2x+4-1

1/2x+1/2x=-3+4-1

x=0

6 0
3 years ago
If a(b+c)=d and a, b, c and d are all integer, then which of the following must be true?
lions [1.4K]

Answer:

B. ab+ac=d

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Michael is riding his bicycle a distance of 2.5 miles to Jason's house. He has ridden 1.7 miles so far. If d = the distance in m
lesya692 [45]
The answer I believe would be c.
3 0
3 years ago
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