Friday

August 22, 2014

August 22, 2014

Posted by **Rita** on Thursday, July 2, 2009 at 1:13pm.

2a+b=1

multiply eq 2 x 2

4a+2b=2

eliminate b by subtracting eq (1) from (3)

4a+2b=2

3a-2b=12

a=-10 am i going right so far??

- Math -
**Marth**, Thursday, July 2, 2009 at 3:09pmYes, that looks correct.

Continue by substituting in a=-10 into one of the equations to find b.

**Related Questions**

Math/fractions - I need help with subtracting fractions I have no idea if I'm ...

Math - 8*2sq+7*(4+1)= ? Can someone explain to me what to after the parenthesis...

math - 35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please ...

math - 35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please ...

math - How do I solve the equations using the elimination method: .3x-.2y=4 and...

geometry - The angle of depression from the top of a lighthouse to a boat in the...

Math(Please respond) - .50 - x / x = 3.20e-1 I need to solve for x. I was going...

Algebra - 89. Solve for x in the equation: 6/7x - 6 = -2 I posted this before, ...

math - Simplify as indicated. State at least one property of multiplication or ...

Math - I want to know did I work these problems right Multiply: ( - 6)² - 4² = ...