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4 years ago

Y=2x+34x+y=33substitution form(x, y)

Mathematics

1 answer:

galina1969 [7]4 years ago

6 0

(5,13)

I hope the answer will help you in the solution if you want any question no hesitation

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What is the value of x in the equation ?

Eduardwww [97]

Answer:

Part A: x = -24

Part B: n = 2

Step-by-step explanation:

Part A:

The algebraic expression for: "StartFraction 2 Over 3 EndFraction left-parenthesis StartFraction one-half EndFraction. x plus 12 right-parenthesis equals left-parenthesis StartFraction one-half EndFraction left-parenthesis StartFraction one-third EndFraction x plus 14 right-parenthesis minus 3" will be ⇒ $\frac{2}{3} (\frac{1}{2} x+12)=(\frac{1}{2} (\frac{1}{3} x+14)-3)$

Multiply both sides by 6

∴ $6 * \frac{2}{3} (\frac{1}{2} x+12)=6*(\frac{1}{2} (\frac{1}{3} x+14)-3)$

∴ $4*(\frac{1}{2} x+12)=3 (\frac{1}{3} x+14)-18$

∴ 2x + 4*12 = x + 3 *14 - 18

∴ 2x - x = 3 * 14 - 18 - 4 * 12 = -24

∴ x = -24

============================================================

Part B:

The algebric expression for: "StartFraction one-half EndFraction left-parenthesis n minus 4 right-parenthesis minus 3 equals 3 minus left-parenthesis 2 n plus 3 right-parenthesis" will be ⇒ $\frac{1}{2}(n-4)-3=3-(2n+3)$

Multiply both sides by 2

(n-4) - 6 = 6 - 2(2n+3)

n - 4 - 6 = 6 - 4n - 6

Combine like terms

n + 4 n = 4 + 6

5n = 10

n = 10/5 = 2

∴ n = 2

5 0

4 years ago

Read 2 more answers

PLZZZ HELP NEEDED ASAP WILL GIVE BRAINLIEST (IF RIGHT)

Tema [17]

Answer:

x=18.5

y=37

Step-by-step explanation:

90+2y+16=180

106+2y=180

2y=74

y=37

16+4x+90=180

106+4x=180

4x=74

x=18.5

4 0

3 years ago

Read 2 more answers

Which one is a rational number?

algol [13]

Answer:

0.303003000...

A rational number is either a terminating or non-terminating but recurring (repeating) decimal.

A rational number may be positive, negative or zero.

Examples:

The sum, difference and the product of two rational numbers is always a rational number.

3 0

4 years ago

Convert 84.25ft3 into mL

Bingel [31]

2385694.33 milliliters
This should be right.

6 0

4 years ago

Which angle corresponds to 1/6 of a circle?

valentina_108 [34]

Will be 360/6 = 60 degrees

so an angle with 60 degrees will corresponds to 1/6 of a circle

hope this will help you

3 0

3 years ago