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jolli1 [7]
3 years ago
5

Solve this equation 5x+2=3x-20-1x

Mathematics
2 answers:
Rainbow [258]3 years ago
6 0
5x+2=3x-20-1x\\5x+2=2x-20\ \  \ \ |subtract\ 2\ from\ both\ sides\\5x=2x-22\ \ \ \ |subtract\ 2x\ from\ both\ sides\\3x=-22\ \ \ \ |divide\ both\ sides\ by\ 3\\\\\boxed{x=-\frac{22}{3}}\Rightarrow\boxed{x=-7\frac{1}{3}}
Amiraneli [1.4K]3 years ago
5 0
5x+2=3x-20-1x
add like terms
5x+2=(3-1)x-20
5x+2=2x-20
subtract 2x from both sdies
5x-2x+2=2x-2x-20
3x+2=0-20
subtract 2 from both sides
3x+2-2=-20-2
3x=-22
divide both sides by 3
x=-22/3 or -7 and 1/3
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Brian invests £2500 into his bank account.
klio [65]
2.5% per year multiplay by 5 equals 12.5% then multiple 2500 with 12.5 equals 312.5
5 0
3 years ago
(18) POINTS pLEASE HELP
JulijaS [17]

Answer:

(x-4)(x-3)

Step-by-step explanation:

x^{2} -7x+12\\

multiply 1 and 12= 12

find two numbers that multiply to get twelve AND add together to get -7(the middle number)

the two numbers are -3 and -4 (they add up to get -7 AND multiply together to get 12)

plug in these numbers for -7x

x^{2} -3x-4x+12

x(x-3)-4(x-3)

the bolded is the first binomial and the second binomial is in the parenthesis.

(x-4)(x-3)

I hope this helps!

5 0
3 years ago
Read 2 more answers
Tutorial C<br> A 3-yard roll of aluminum foil costs $4.14. What is the price per<br> foot?
Marta_Voda [28]

Answer:

$.46 or 46 cents per foot

Step-by-step explanation:

3 yards = 4.14

1 yard is 3 feet

3 yards is 9 feet

4.14 ÷ 9 = .46

5 0
2 years ago
An angle is 21 degree more than twice its complement find it
jekas [21]

Answer: 67°

Step-by-step explanation:

Complementary angle refers to the angle that when added together will be equal to 90°.

Let the measurement of the angle's complement be x.

Therefore, the angles are x and 2x + 21. Since it's a complementary angle, therefore,

x + 2x + 21 = 90

3x + 21 = 90

3x = 90 - 21

3x = 69

x = 69°/3

x = 23°

Therefore, the angle will be:

= 2x + 21

= 2(23°) + 21°

= 46° + 21°

= 67°

The angle is 67°.

5 0
3 years ago
In the decimal system, when we divide a number by 10, the rightmost digit in the number is the remainder. Divide the number 157
allochka39001 [22]

Answer:

See explanation

Step-by-step explanation:

Required

Divide 157 by 10 repeatedly.

This is done as follows...

157 Divided by 10 = 15 Remainder 7

15 Divided by 10 = 1 Remainder 5

1 Divided by 10 = 0 Remainder 1

<em>As per the requirement of the question, no further action or operation is required</em>

8 0
3 years ago
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