What does a equal 2a-15 equals -1?

Anonymous

∙ 16y ago

Updated: 8/17/2019

Do the problem like this:

2a - 15 = -1

Add 15 to both sides:

2a = (-1) + 15

Simplify

2a = 14

Divide by 2 to get the variable by itself:

a = 7

Now, check the problem: 2(7) - 15 = -1

14 - 15 = -1 This is true, so a = 7 is a good solution.

Wiki User

∙ 16y ago

What else can I help you with?

If 1 equals 2 then what does 3 equal?

Equals 6

What does 27 minus n equal 1 what does it equal?

As stated in the question, it equals 1.

1 gallon equals 108oz1gal equals 4qt what eles equals 1 gallon?

8 pints are equal to a gallon

What equal 2 out of 4 slices equal?

It equals 1/2.

What does 3 thirds equal?

It equals 1.

If x equals -8 and xy equals 1 then what does y equal?

-1/8 -8*-1/8 = 1

What adds to equal -14 and multiplies to equal -15?

The two numbers that add to equal -14 and multiply to equal -15 are -15 and 1. When you add them together, -15 + 1 equals -14. Their product, -15 × 1, equals -15.

What is x plus 2y equals 1?

x would equal -1 and y would equal 1

If 1 is equal to 10 then 100?

If you meant 'If 1 is equal to 10 then 100 equals to what?' then the answer is: 'any number'.

Is x equals 1 and y equals -4 a solution to the following equation y equals -2x?

No. -4 does not equal -2(1).

What does 1000 grams equal?

That equals 1 kg.

What does 1 mile equal?

It equals 5,280 in feet.