What is the answer to 2x+9-4+3x=40 ?

The answer to 2x+9-4+3x=40 is x=7

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2x+9-4+3x=40

2 x + 9 - 4 + 3 x = 40

x = 7

Solution steps

2 x + 9 - 4 + 3 x = 40

Group like terms

2 x + 3 x + 9 - 4 = 40

Add similar elements:

2 x + 3 x = 5 x

5 x + 9 - 4 = 40

Add/Subtract the numbers:

9 - 4 = 5

5 x + 5 = 40

Move

5

to the right side

5 x = 35

Divide both sides by

5

x = 7

7 - ∣ 2 x + 8 ∣ \leq 1

4 (x + 1) = 3 (x + 1)

50 k^{3} - 40 k^{2} + 75 k - 60

\frac{1}{16} + \frac{1}{64} + \frac{1}{144} + \frac{1}{256}

- 2 t^{2} + 3 t + 8 = 0