What is the answer to 7x-5(2x+1)=5x+15 ?

The answer to 7x-5(2x+1)=5x+15 is x=-5/2

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7x-5(2x+1)=5x+15

7 x - 5 (2 x + 1) = 5 x + 15

x = - \frac{5}{2}

Decimal Notation

x = - 2.5

Solution steps

7 x - 5 (2 x + 1) = 5 x + 15

Expand

- 5 (2 x + 1) : - 10 x - 5

7 x - 10 x - 5 = 5 x + 15

Add similar elements:

7 x - 10 x = - 3 x

- 3 x - 5 = 5 x + 15

Move

5

to the right side

- 3 x = 5 x + 20

Move

5 x

to the left side

- 8 x = 20

Divide both sides by

- 8

x = - \frac{5}{2}

y, 2 x - 5 y = - 10

y, 3 x + 2 y = 2

4 - \frac{5 + x}{3} = \frac{8 + x}{2}

y, 5 y - 6 x = 5

y, 6 x - 3 y = - 6

What is the answer to 7x-5(2x+1)=5x+15 ?
The answer to 7x-5(2x+1)=5x+15 is x=-5/2
Solve for x: 7x-5(2x+1)=5x+15
The solution is x=-5/2