Thursday

August 28, 2014

August 28, 2014

Posted by **Jullian B.** on Friday, June 15, 2012 at 9:24pm.

x+y=19

- Math -
**Reiny**, Friday, June 15, 2012 at 11:37pmmultiply the first by 20 to get rid of those nasty decimals

x + 2y = 26

subtract the second equation from that

y = 7

plug back into the 2nd

x+7=19

x=12

x=12, y=7

**Related Questions**

Math - 0.05x +0.10y=1.30 x+y=19

math help - 5x+10y +15z-15x+10y-5z+5x-10y-5z / (5x+10y+15z)-(15x+10y-5z)+(5x-10y...

Algebra 2 - "My husband's age," remarked a lady the other day, "is represented ...

math - 7 – 4(x + y) + 2(x – 3y) A 7 – 2x – 7y B.7 – 2x – 10y(*) C.7 + 2x – 7y d....

Pre-Calculus - The monthly revenue acheived by selling x boxes of candy is ...

math (last question #5) @Damon - 5. (2y – 1)(4y – 3) (1 point) –2y + 3 8y^2 – ...

algebra - Did I do this problem right? (2y+5w+6)(5y+5w-4) 2y(5y)+ 2y(5w) + 2y(-4...

Algebra - Select the set of equations that represents the following situation: ...

algebra - How do I solve this with the elimination method? 5x-10y=4 5x-10y=5 I ...

maths - decide whether the graphs of the two equations are parallel lines: 1. 2x...