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Liono4ka [1.6K]
3 years ago
15

(3x+4)–(2x+9)=15 Help meeeeeeeeeeeee.

Mathematics
2 answers:
melamori03 [73]3 years ago
4 0

Answer:

x=30

Step-by-step explanation:

you distribute the negative to 2x and 19

3x+4-2x-19=15

then you combine like terms

x-15=15

you add 15 to both sides

x=30

ale4655 [162]3 years ago
3 0

Answer:

<em>x = 20</em>

Step-by-step explanation:

We are given the equation ( 3x + 4 ) – ( 2x + 9 ) = 15;

( 3x + 4 ) - ( 2x + 9 ) = 15 ⇒ Take ( ) out, through distribution of - 1,

3x + 4 - 2x - 9 = 15 ⇒ Subtract 4 from either side,

3x - 2x - 9 = 11 ⇒ Combine like terms,

x - 9 = 11 ⇒ Add 9 on either side,

<em>Solution; x = 20</em>

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