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Lynna [10]
2 years ago
5

How to solve 2(10 -6x)=x -8x

Mathematics
2 answers:
viva [34]2 years ago
6 0

Answer:

x=4

Step-by-step explanation:

2(10 -6x)=x -8x

Multiply 2*10 and 2*-6x

20-12x=x-8x

Add 12x

20=x-8x+2x

Combine x and -8x

20=-7x+12x

Combine -7x and 12x

20=5x

Divide 5x/5 and 20/5

4=x

So x=4

SashulF [63]2 years ago
3 0

Answer:

4

Step-by-step explanation:

2(10 -6x)=x -8x

20 - 12x = x - 8x

20 = x - 8x + 12x

20 = 5x

20 / 5 = x

x = 4

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Read 2 more answers
Which expression is not equivalent to −4x3+x2−6x+8?
Gekata [30.6K]

The expression which is not equivalent to the provided expression is expression number 1, x²(-4x+1)-2(3x-4).

<h3>What is the equivalent expression?</h3>

Equivalent expressions are the expression whose result is equal to the original expression, but the way of representation is different.

The expression given in the problem is

f(x)=-4x³+x²-6x+8

The option given as,

  • (1) x² (-4x+1)-2(3x-4)
  • (2) x(-4x²- x + 6) + 8
  • (3) -4x³ + (x - 2)(x - 4)
  • (4) -4(x³ - 2) + x(x - 6)

From the given expression, if we take out <em>x </em>from the first three terms, it looks like option 2.

f(x)=-4x³+x²-6x+8

f(x)=x(-4x²+x-6)+8

From the given expression, if the last three terms factored, it looks like option 3.

f(x)=-4x³+x²-6x+8

f(x)=-4x³+x^2-4x-2x+8

f(x)=-4x³+x(x-4)-2(x-4)

f(x)=-4x³+(x-4)(x-2)

Rearrange the given expression, and make it looks like option 4.

f(x)=-4x³+x²-6x+8

f(x)=-4x²+8+x²-6x

f(x)=-4(x³-2)+x(x-6)

Thus, the expression which is not equivalent to the provided expression is expression number 1, x²(-4x+1)-2(3x-4).

Learn more about the equivalent expression here;

brainly.com/question/2972832

#SPJ1

4 0
1 year ago
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