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ikadub [295]
3 years ago
6

(9x-4)° (3x+ 14)° solve for x= don’t understand how to find the answer

Mathematics
2 answers:
Ivanshal [37]3 years ago
7 0

Answer:

<h3><u>x = 3</u></h3>

Explanation:

<em>Write your equation</em>

  • (3x + 14) = (9x - 4)

<em>Subtract 9x from both sides</em>

3x + 14 − 9x = 9x − 4 − 9x

−6x + 14 = −4

<em>Subtract 14 from both sides</em>

−6x + 14 − 14 = −4 − 14

−6x = −18

<em>Divide both sides by -6</em>

−6x / -6 = −18 / -6

<h3><u>x = 3</u></h3><h3><u /></h3>

[ zyxx ]

blondinia [14]3 years ago
6 0

Answer:

x=3

Step-by-step explanation:

Simplifying

9x + -4 = 3x + 14

Reorder the terms:

-4 + 9x = 3x + 14

Reorder the terms:

-4 + 9x = 14 + 3x

Solving

-4 + 9x = 14 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.

-4 + 9x + -3x = 14 + 3x + -3x

Combine like terms: 9x + -3x = 6x

-4 + 6x = 14 + 3x + -3x

Combine like terms: 3x + -3x = 0

-4 + 6x = 14 + 0

-4 + 6x = 14

Add '4' to each side of the equation.

-4 + 4 + 6x = 14 + 4

Combine like terms: -4 + 4 = 0

0 + 6x = 14 + 4

6x = 14 + 4

Combine like terms: 14 + 4 = 18

6x = 18

Divide each side by '6'.

x = 3

Simplifying

x = 3

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4 years ago
point O lies in the interior of angle MNP. if the measure of MNO is x^2 + 10x, the measure of ONP is x^2 - 2x , and the measure
Triss [41]

Answer:

x = 6; ∠ONP = 24°

Step-by-step explanation:

1. Find the value of x

\begin{array}{rcl}\angle MNP & = & \angle MNO + \angle ONP\\3x^{2} + 12 & = & x^{2} + 10x + x^{2} - 2x\\3x^{2} + 12 & = & 2x^{2} + 8x\\x^{2} + 12 & = & 8x\\x^{2} -8x + 12 & = & 0\\(x - 2)(x - 6) & = & 0\\\end{array}

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