Solve the equation for yy



6=4x+9y

1 answer

6 = 4 x + 9 y

Subtract 4 x to both sides

6 - 4 x = 9 y

Divide both sides by 9

6 / 9 - 4 x / 9 = y

3 • 2 / 3 • 3 - 4 / 9 x = y

2 / 3 - 4 / 9 x = y

y = - 4 / 9 x + 2 / 3
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