What is the answer to 2a-5-6a=-15 ?

The answer to 2a-5-6a=-15 is a= 5/2

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2a-5-6a=-15

2 a - 5 - 6 a = - 15

a = \frac{5}{2}

Decimal Notation

a = 2.5

Solution steps

2 a - 5 - 6 a = - 15

Group like terms

2 a - 6 a - 5 = - 15

Add similar elements:

2 a - 6 a = - 4 a

- 4 a - 5 = - 15

Move

5

to the right side

- 4 a = - 10

Divide both sides by

- 4

a = \frac{5}{2}

\frac{x - 3}{22} = - 1

- x^{4} + x^{3} + 2 x^{2}

\frac{3}{x + 5} \geq - 2

\frac{x - 5}{x + 3} \leq 0

\frac{2 x + 5}{3} < 1