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Earn +20 ptsQ: -2x plus 3y equals 9
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How do you solve 2x-y equals -6 and 2x plus 3y equals 9?
2x + 3y = 9x = 3, y = 1 therefore 6 + 3 = 9
2x - 3y equals 4 and x plus 4y equals -9?
(-1,-2)
2x plus 3y equals 13 x -y equals 9?
x = 8, y = -1
What is the solution of x plus y equals -2 and 2x plus 3y equals -9?
x + y = -2 2x + 3y = -9 You solve this by elimination - multiply both sides of first equation by 3, then subtract, solve for x, then substitute in any of the equations to solve for y 3x + 3y = -6 2x + 3y = -9 subtracting, x = 3 substituting into 1st equation, y = -2-3 = -5
What is the y intercept of 2x-3y equals 27?
It is -9
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