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URGENT‼️‼️‼️‼️‼️ Is the open sentence 7x-5=2x+8 true when x=2? Justify your answer.

User Souplex
by
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1 Answer

1 vote

Answer:

No

Explanation:

Substitute x = 2 into the equation and if both sides are equal then x = 2 is a solution.

left side = (7 × 2) - 5 = 14 - 5 = 9

right side = (2 × 2) + 8 = 4 + 8 = 12

left side ≠ right side

Hence x = 2 is not a solution of the equation


User Kkuilla
by
7.6k points

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