06-08-2016
Mathematics

Answered

What is the solution to this system use elimination.

3x = -18 + 4y

16y = 58 + 5x

Verified Answer :

Jimmy1999 Jimmy1999

06-08-2016

3x = -18 + 4y
16y = 58 + 5x
so

3x -4y = -18 ----> ×4
-5x+16y = 58

so the first sytem become 12x -16y = -72

Eliminate :
12x -16y = -72
-5x+16y = 58
------------------------ +
7x = -14
x = -2

so...

16y = 58 + 5x
16y = 58 -10
16y = 48
y = 48 /16
y = 3

So the solution is x = -2 and y = 3

Hopefully helpfull... ^_^

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