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OpenStudy (anonymous):
Solve the system of equations. 4x + 7y = 6 and 6x + 5y = 20
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OpenStudy (anonymous):
Someone answer this question pleeeeaaaassseee!!! :)
jhonyy9 (jhonyy9):
4x+7y=6 multiply by 3 6x+5y=20 multiply by -2 12x+21y=18 -12x-10y=-40 --------------- 0 11y=-22 so y= -22/11 = -2 y=-2 4x+7*(-2)=6 4x-14=6 4x=-20 x= -20/4 = -5 x=-5 y=-2
jhonyy9 (jhonyy9):
ok ?
OpenStudy (anonymous):
Thanks(:
jhonyy9 (jhonyy9):
yw good luck bye
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