Question

. Solve the following equation and check your result: 7x – 15 = 4x + 30​

Answer 1

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$\sf 7x-15=4x+30 \\ \sf 7x-4x=30+15 \\ \sf 3x=45 \\ \sf\to x=\dfrac{45}{3}=15$

Answer 2

Answer:

15

Step-by-step explanation:

7x - 15 = 4x + 30

7x - 4x = 30 + 15

3x = 45

x = 45 / 3

x = 15