How do you do 4x - 9 = 6x - 13? what do you subtract from both sides?

Mathematics

2 answers:

ohaa [14]3 years ago

8 0

To start, you need to subtract 4x from both sides, that way, x is one one sid of the equation.

aleksley [76]3 years ago

8 0

Simple....

you have: 4x-9=6x-13

-->>Isolate the variable..(x)

4x-9=6x-13
-4x -4x

-9=2x-13
+13 +13

4=2x

2=x

Plug it in..to make sure it is correct.....

4(2)-9=6(2)-13

8-9=12-13

-1=-1

Correct.

Thus, your answer.

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Chloe is painting on a stretched canvas that has an area of 108 square inches. The length of the canvas is 12 inches. The width

Stolb23 [73]

Answer: Width of canvas = 9 inches

Area left for painting after painting the border = 70 square inches.

Explanation :

Since we have given that

Area of painting = 108 square inches

Length of canvas = 12 inches

As we know that

$\text{Area of rectangle} = length\times breadth$

$108=12\times breadth\\\\\frac{108}{12}=breadth\\\\9=breadth$

So, breadth of canvas = 9 inches .

Now, Chloe paints a 1 inch wide blue border on the canvas.

$\text{So, remaining length left for painting after painting the border} = 9-1-1=9-2=7\text{ inches}$

$\text{ Remaining breadth left for painting after painting the border }= 12-1-1=12-2= 10\text{ inches}$

$\text{So , area of remaining portion }= length\times breadth \\\\ \text{ area of remaining portion }=7\times 10\\\\\text{ area of remaining portion }=70 \text{ square inches}$