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Answered

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Please help it’s very urgent and I need the right answer

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Answer:

3x + 15 = 3*10 + 15 = 30 + 15 = 45

3x + 15 = 45

Now,

2x + 25 = 2*10 + 25 = 20 + 25 = 45

2x + 25 = 45

Step-by-step explanation:

3x + 15 + 2x + 25 = 90

or, 5x + 40 = 90

or, 5x = 90 - 40

so, 5x = 50

so, x = 50/5 = 10

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