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Naily [24]
2 years ago
13

Solve the equation 4x - 6 = x + 3. Check your solution.

Mathematics
2 answers:
eimsori [14]2 years ago
5 0
,
4x - 6 = x + 3

4x - x = 3 + 6

3x = 9

Divide by 3

x = 3
motikmotik2 years ago
4 0
<span>4x - 6 = x + 3

Subtract x from each side
</span><span><span><span><span>4x</span>−6</span>−x</span>=<span><span>x+3</span>−<span>x
<span><span><span>3x</span>−6</span>=<span>3
</span></span>
Add 6 to each side
<span><span><span><span>3x</span>−6</span>+6</span>=<span>3+<span>6
<span><span>3x</span>=<span>9

Divide each side by 3
3x ÷ 3 = 9 ÷ 3
x = 3
============================================================
Checking work....

Substitute 3 for x in the equation and solve
<span>4(3)- 6 = (3) + 3
12 - 6 = 3 + 3
6 = 6
This is true, so 3 is x</span></span></span></span></span></span></span></span></span>
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Rosie washes clothes for two families the first family pays her $500 more per month than the second. Her total earning per month
disa [49]

Answer:

  • Family 1:  $1.850
  • Family 2: $1.350

Step-by-step explanation:

We know that the total monthly payment is 3200, so if we call Pa (family A`s payment) and Pb (Family B's payment) the payments:

  • Pa+Pb=3200
  • also, Pa = Pb+500

So if we replace Pa in the first ecuation:

  • Pb+500+Pb=3200
  • 2Pb= 3200-500
  • Pb=2700/2= $1.350

then Pa+Pb=3200 => Pa= 3200-1350= $1.850

Good Luck!

8 0
2 years ago
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anyanavicka [17]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Using the given points and line, determine the slope of the line. (-3, 0) and (2, 7)
Nuetrik [128]

Slope for (x₁, y₁) and (x₂, y₂):      (-3, 0) and (2, 7)

Slope:      (y₂ -y₁) / (x₂ -x₁)

Slope:      ( 7 - 0) / (2 - -3)  =  7/(2 + 3) 

<span>Slope    = 7/5
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4 0
2 years ago
Door is 77 inches high, 35.25 inches wide and 1,75 inches thick how much paint is needed
Leviafan [203]
If you wanted to paint the entire door (even the top and bottom which people don't usually paint)

the surface area is
SA=2(LW+LH+WH)
where L=length, W=width and H=height

given
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W=1.75
H=77

SA=2(35.25*1.75+35.25*77+1.75*77)
SA=2(61.6875+2714.25+134.75)
SA=2(2910.6875)
SA=5821.375

you need enough paint to cover 5821.375 square inches of door
7 0
2 years ago
Simplify 2(x-4)+7(x+4) <br> A. 9x-6 B.9x-4 C.9x+6
MrRissso [65]
2(x - 4) + 7(x + 4)
(2x - 2 • 4) + (7x + 7 • 4)
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5 0
2 years ago
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