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3 years ago

Can you please help me on this question 10(x-2)=-20

Mathematics

1 answer:

stiks02 [169]3 years ago

3 0

Answer:

One solution was found :

x = 0

Step-by-step explanation:

10(x-2)=-20

One solution was found :

x = 0

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

10*(x-2)-(-20)=0

Step by step solution :

Step 1 :

Equation at the end of step 1 :

10 • (x - 2) - -20 = 0

Step 2 :

Equation at the end of step 2 :

10x = 0

Step 3 :

Solving a Single Variable Equation :

Solve : 10x = 0

Divide both sides of the equation by 10:

x = 0

One solution was found :

x = 0

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2 years ago

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Step-by-step explanation:

not sure the question but I can solve the equations

6x-14<-14

6x<0

×<0

3x+10>13

3x>3

×>1

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Ivan has $1098 worth of $12 and $14 stock shares. The number of $14 shares is seven more than

Dafna1 [17]

Answer:

Number of 12$ Shares? 25

Number of 14$ Shares? 57

Step-by-step explanation:

Let x = number of $12 shares.

Let y = number of $14 shares.

"Ivan has $1098 worth of $12 and $14 stock shares."
12x + 14y = 1098

The number of $14 shares is seven more than twice the number of $12 shares.

y = 2x + 7

We have a system of equations.

12x + 14y = 1098

y = 2x + 7

We can use the substitution method since the second equation is already solved for y. Substitute 2x + 7 for y in the first equation.

12x + 14(2x + 7) = 1098

12x + 28x + 98 = 1098

40x = 1000

x = 25

There are 25 $12 shares.

y = 2x + 7 = 2(25) + 7 = 57

There are 57 $14 shares.

Check:

25 × $12 + 57 × $1`4 = $300 + $798 = $1098

The total value is correct, so the answer is correct.

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