Question

3x-40=1/2x+35
solve this equation ​

Answer 1

Hello !!

For you answer this question, you only need make use of this method below. See the resolution.

3x - 40 = (1/2)x + 35

3x - (1/2)x = 35 + 40

3x - (1/2)x = 75

(5/2)x = 75

x = 75/(5/2)

x = (75/1) × (2/5)

x = 150/5

x = 30

Final result : 30 is the solution for (x).

I hope I have collaborated !

Answer 2

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$3x - 40 = \frac{1}{2} x + 35 \\ \\ 3x - 40 = \frac{x}{2} + 35 \\ \\ 3x - 40 = \frac{x}{2} + \frac{35}{1} \\ \\ 3x - 40 = \frac{x + 70}{2} \\ \\ 2(3x - 40) = x + 70 \\ \\ 6x - 80 = x + 70 \\ \\ 6x - x = 70 + 80 \\ \\ 5x = 150 \\ \\ x = \frac{150}{5} \\ \\ x = 30$