2 years ago

(13x+2)+(3x-4)+(5x-7)

Mathematics

2 answers:

Dovator [93]2 years ago

8 0

I’m not 100% sure but I think the answer to this would be 21x - 9.

Bond [772]2 years ago

3 0

Answer:

13x+2+3x-4+5x-7=180

Step-by-step explanation:

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The sum of the following algebraic expression 2x + 15, 7-8x and 3x - 41 is 30 find the value of x..

Ksju [112]

$\\ \tt \longmapsto2x + 15 + 7 - 8x + 3x - 41 = 30 \\ \\ \tt \longmapsto 2x - 8x + 3x + 15 + 7 - 41 = 30 \\ \\ \tt \longmapsto - 3x - 19 = 30 \\ \\ \tt \longmapsto 3x + 19 = - 30 \\ \\ \tt \longmapsto 3x = - 30 -19 \\ \\ \tt \longmapsto 3x = - 49 \\ \\ \tt \longmapsto x = - \frac{49}{3}$