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stich3 [128]
3 years ago
10

What’s 4b + 10 = 42

Mathematics
2 answers:
Kaylis [27]3 years ago
6 0

4b + 10 = 42 \\ 4b = 42 - 10 \\ 4b =  32 \\  \\ b = \frac{32}{4}  \\  \\ b =  \frac{8}{1}  \\  \\ b = 8
slega [8]3 years ago
4 0
4b + 10 = 42
b = 8
32 + 10 = 42
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4 years ago
PLese help now please
victus00 [196]

Answer:

1, 2, and 4

Step-by-step explanation:

3 0
3 years ago
What is the value of $x$ if $-\frac23(x-5) = \frac32(x+1)$?
Ipatiy [6.2K]

Answer:

x = (-29)/5

Step-by-step explanation:

Solve for x:

(2 (x - 5))/3 = (3 (x + 1))/2

Multiply both sides by 6:

(6×2 (x - 5))/3 = (6×3 (x + 1))/2

6/3 = (3×2)/3 = 2:

2×2 (x - 5) = (6×3 (x + 1))/2

6/2 = (2×3)/2 = 3:

2×2 (x - 5) = 3×3 (x + 1)

2×2 = 4:

4 (x - 5) = 3×3 (x + 1)

3×3 = 9:

4 (x - 5) = 9 (x + 1)

Expand out terms of the left hand side:

4 x - 20 = 9 (x + 1)

Expand out terms of the right hand side:

4 x - 20 = 9 x + 9

Subtract 9 x from both sides:

(4 x - 9 x) - 20 = (9 x - 9 x) + 9

4 x - 9 x = -5 x:

-5 x - 20 = (9 x - 9 x) + 9

9 x - 9 x = 0:

-5 x - 20 = 9

Add 20 to both sides:

(20 - 20) - 5 x = 20 + 9

20 - 20 = 0:

-5 x = 9 + 20

9 + 20 = 29:

-5 x = 29

Divide both sides of -5 x = 29 by -5:

(-5 x)/(-5) = 29/(-5)

(-5)/(-5) = 1:

x = 29/(-5)

Multiply numerator and denominator of 29/(-5) by -1:

Answer: x = (-29)/5

4 0
4 years ago
Does anybody know what this equals ??? 2z + 7m = -4z – 11n
Nonamiya [84]

Answer:

nope sorry

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
HELP PLEASEEEE !!!!!
irga5000 [103]

Answer:

when f(x) is -1, f(x) =  -3

when f(x) is 0, f(x) = 1

when f(x) is 3, f(x)= 13

so is -3, 1 and 13.

you basically replace  x with the number and then evaluate

hope is helpful!!

3 0
3 years ago
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