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Earn +20 ptsQ: 5x - 5y equals -30 3x plus 4y equals 38?
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What is the system of equations set in order pairs 3x plus 4y equals 38 5x - 5y equals -30?
Simultaneous equations.
-31x -18 plus 3x equals 38?
-2
What does x equal in the equation 3x plus 7 equals 37?
Ten. That means 3x equals 30, and 30 divided by three is ten.
What is 3x plus 6 equals 30?
3x + 6 = 30 Therefore, 3x = 24 x = 24/3 x = 8
-3x plus 40 equals 38?
-3x + 40 = 38 Subtract 40 from both sides: -3x = -2 Multiply both sides by -1: 3x = 2 Divide both sides by 3: x = 2/3
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