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Popular >

9a+5b=15,3a+2b=-6

Solution

9 a + 5 b = 15, 3 a + 2 b = - 6

Solution

a = 20, b = - 33

Solution steps

[9 a + 5 b = 15 3 a + 2 b = - 6]

Isolate

a

for

9 a + 5 b = 15 : a = \frac{15 - 5 b}{9}

Substitute

a = \frac{15 - 5 b}{9}

[3 \cdot \frac{15 - 5 b}{9} + 2 b = - 6]

Simplify

[\frac{15 + b}{3} = - 6]

Isolate

b

for

\frac{15 + b}{3} = - 6 : b = - 33

For

a = \frac{15 - 5 b}{9}

Substitute

b = - 33

a = \frac{15 - 5 ( - 33 )}{9}

\frac{15 - 5 ( - 33 )}{9} = 20

a = 20

The solutions to the system of equations are:

a = 20, b = - 33

Popular Examples

-5x+6y=7,4x+3y=10

- 5 x + 6 y = 7, 4 x + 3 y = 10

x+3y=6,5x-2y=12

x + 3 y = 6, 5 x - 2 y = 12

3x-5y=1,2x+3y=7

3 x - 5 y = 1, 2 x + 3 y = 7

4x-6y=5,3x+2y=-14

4 x - 6 y = 5, 3 x + 2 y = - 14

0.6 b = 4.46, a = 2

Frequently Asked Questions (FAQ)

What is 9a+5b=15,3a+2b=-6 ?
The solution to 9a+5b=15,3a+2b=-6 is a=20,b=-33