Posted by **DJ** on Friday, January 20, 2012 at 9:11pm.

Please help me to solve by substitution method.

7x+8y =44

x=41-5y

- Math question -
**Patty**, Friday, January 20, 2012 at 9:58pm
7 x 41-5y+8y=44

287+3y=44

3y=-287+44

3y=-243

y=-243 divided by 3

y=81

- Patty is incorrect - Math question -
**Reiny**, Friday, January 20, 2012 at 11:08pm
Patty should have used brackets

in 7x + 8y = 44

7(41-5y) + 8y = 44

287 - 35y + 8y = 44

-27y = -243

y = 9

then in x= 41-5y

x = 41-45

x = -4

so x=-4 and y = 9

## Answer this Question

## Related Questions

substitution method - Solve by substitution method please help me solve this. I ...

Substitution Method-Plz help - Use the Substitution method to solve the system ...

Linear Equations - Can you please help solve this equation using the ...

Algerbra 1 substitution method - im really confused about this question: 2x-3y=...

math - Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution ...

math - Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution ...

Algebra 1 - bobpursey, In this problem you helped me with earlier: Solve using ...

math substitution method - use the substitution method to solve 7x+5y=-26 x=28-...

Math - 1. Explain the advantages and disadvantages of both the substitution ...

Math - solve by the substitution method 7x+4y=14, x=47-7y please help