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jeyben [28]
3 years ago
15

5z+97=3z+33 how to solve step by step

Mathematics
1 answer:
lilavasa [31]3 years ago
4 0

Answer:

z=-32

Step-by-step explanation:

5z+97=3z+33

Move all the numbers with the same variables to different sides to separate them.

5z-3z=33-97

Solve/Simplify the equation.

2z=33-97

2z=-64

Divide by 2.

z=-32

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X + 2x - 4x + 9 combine terms
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Step-by-step explanation:

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3 years ago
Solve the quadratic equation<br> give your answer to 2 decimal places<br> : 3x^2+x-5=0
Dima020 [189]

Given:

The quadratic equation is:

3x^2+x-5=0

To find:

The solution for the given equation rounded to 2 decimal places.

Solution:

Quadratic formula: If a quadratic equation is ax^2+bx+c=0, then:

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

We have,

3x^2+x-5=0

Here, a=3,b=1,c=-5. Using the quadratic formula, we get

x=\dfrac{-1\pm \sqrt{1^2-4(3)(-5)}}{2(3)}

x=\dfrac{-1\pm \sqrt{1+60}}{6}

x=\dfrac{-1\pm \sqrt{61}}{6}

x=\dfrac{-1\pm 7.81025}{6}

Now,

x=\dfrac{-1+7.81025}{6}

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x\approx 1.14

And

x=\dfrac{-1-7.81025}{6}

x=-1.468375

x\approx -1.47

Therefore, the required solutions are 1.14 and -1.47.

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3 years ago
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