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julsineya [31]
3 years ago
11

What is x in 6x=2x+40

Mathematics
2 answers:
djverab [1.8K]3 years ago
7 0
<span>Simplifying 6x = 2x + 40 Reorder the terms: 6x = 40 + 2x Solving 6x = 40 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 6x + -2x = 40 + 2x + -2x Combine like terms: 6x + -2x = 4x 4x = 40 + 2x + -2x Combine like terms: 2x + -2x = 0 4x = 40 + 0 4x = 40 Divide each side by '4'. x = 10
so the answer is x = 10</span>
Ket [755]3 years ago
7 0
<span>6x=2x+40
subtract 2x from both sides

4x=40
divide both sides by 4 

x=10</span>
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The measure of the other side of a quadrilateral is 3\sqrt{13} cm.

In the given quadrilateral one side is unknown we need to find the unknown side.

By dividing the given quadrilateral into a rectangle and a triangle we can find the other side.

<h3>What is Pythagoras theorem?</h3>

The Pythagoras theorem states that if a triangle is right-angled, then the square of the hypotenuse is equal to the sum of the squares of the other two sides. That is, c^{2}=a^{2}+b^{2}.

Now, x^{2} =9^{2}+6^{2}=81+36=17

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Therefore, the measure of the other side of a quadrilateral is 3\sqrt{13} cm.

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