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falcon93 falcon93
  • 08-06-2016
  • Mathematics
Answered

find the value of y when x equals 4, -3x+9y=-57

Verified Answer :

JacobLeviste
JacobLeviste JacobLeviste
  • 08-06-2016

-12 + 9y = -57

add 12 to both sides, 9y = -45

divide 9 from both sides to isolate the y

y = -5

Answer Link
zoeli
zoeli zoeli
  • 08-06-2016

-3(4)+9y=-57
-12+9y=-57
9y=-45
y=-5

Answer Link

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