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yKpoI14uk [10]
2 years ago
6

(1) 3x + 9 and 5x + 15​

Mathematics
2 answers:
Licemer1 [7]2 years ago
6 0

Answer:

(1)3(x+3)

(2)5(x+3)

Step-by-step explanation:

(1) common taking

(2) common taking

Pachacha [2.7K]2 years ago
4 0

Answer:

x=

-12

Step-by-step explanation:

Simplifying

3x + -9 = 5x + 15

Reorder the terms:

-9 + 3x = 5x + 15

Reorder the terms:

-9 + 3x = 15 + 5x

Solving

-9 + 3x = 15 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.

-9 + 3x + -5x = 15 + 5x + -5x

Combine like terms: 3x + -5x = -2x

-9 + -2x = 15 + 5x + -5x

Combine like terms: 5x + -5x = 0

-9 + -2x = 15 + 0

-9 + -2x = 15

Add '9' to each side of the equation.

-9 + 9 + -2x = 15 + 9

Combine like terms: -9 + 9 = 0

0 + -2x = 15 + 9

-2x = 15 + 9

Combine like terms: 15 + 9 = 24

-2x = 24

Divide each side by '-2'.

x = -12

Simplifying

x = -12

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