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ANEK [815]
3 years ago
7

Four times a number minus five, is equal to three times a number plus three

Mathematics
2 answers:
Oliga [24]3 years ago
8 0

Answer:

4x-5=3x+3

Step-by-step explanation:

Hunter-Best [27]3 years ago
3 0

Answer:

x=8

Step-by-step explanation:

4x-5=3x+3

4x=3x+8

1x=8

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I need help/ revision of my answer please!
Tresset [83]

Answer:

2 and 3 are correct, not sure if you plan on doing 1, in which case I'd help you

8 0
2 years ago
The vertex form of the equation of a parabola is y = 2(x+ 4)2 - 21.
Ivanshal [37]

Answer:

y = 2x² + 16x + 11

Step-by-step explanation:

first foil (x + 4)² to get x² + 8x + 16

distribute 2 to get 2x² + 16x + 32

subtract 21 from 32

8 0
2 years ago
Get to me when can. THANKS!!!
lawyer [7]

Answer:56

Step-by-step explanation:

50 - 23 + 29 = 56

4 0
3 years ago
What is the equation of this graphed line?
pantera1 [17]

Answer:

y = - \frac{1}{3} x - 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 6, - 3) and (x₂, y₂ ) = (6, - 7)

m = \frac{-7+3}{6+6} = \frac{-4}{12} = - \frac{1}{3}

Note the line crosses the y- axis at (0, - 5) ⇒ c = - 5

y = - \frac{1}{3} x - 5 ← equation of line

4 0
3 years ago
What substitution should be used to rewrite 4x^4-21x^2+20=0 as a quadratic equation
Andreyy89

let y = x^2

4y^2 -21y + 20 = 0

solve for y

then substitute back in to get x

8 0
3 years ago
Read 2 more answers
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