What is the answer to 7x+1=10x-3+2x ?

The answer to 7x+1=10x-3+2x is x= 4/5

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7x+1=10x-3+2x

7 x + 1 = 10 x - 3 + 2 x

x = \frac{4}{5}

Decimal Notation

x = 0.8

Solution steps

7 x + 1 = 10 x - 3 + 2 x

Group like terms

7 x + 1 = 10 x + 2 x - 3

Add similar elements:

10 x + 2 x = 12 x

7 x + 1 = 12 x - 3

Move

1

to the right side

7 x = 12 x - 4

Move

12 x

to the left side

- 5 x = - 4

Divide both sides by

- 5

x = \frac{4}{5}

2 x^{2} + 25 < 10 x

2 x^{2} + 1 = 5 x

∣ 3 - 2 x ∣ = 3

2 x + 8 < 25

∣ 2 x + 1 ∣ = 17