Question

The equation for 6 less than a number is 9 is_____.​

Answer 1

Answer:

.

Step-by-step explanation:

Let the no. be x.

Given,

2x + 6 = x - 9

=>2x - x = -9 - 6

=>x = (-15).

Or

2n+6=n−9

⟹n+6=−9

n=−15

Verify:

(2⋅−15)+6=−15−9⟹−30+6=−24✓