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Which ordered pair is a solution of the equation?3x+3y=-x+5y3x+3y=−x+5y |
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Answer» Answer: Step 1: Equation 1, Solved for Y: y = 3X + 5 [Divided by 4] Step 2: Equation 2, SUBSTITUTED Y1: 4X + 2(3x + 5) = 20 Equation 2, Substituted Y1: 4x + 6X + 10 = 20 Equation 2, Substituted Y1: 10x + 10 = 20 Equation 2, Substituted Y1: 10x + 10 - 10 = 20 - 10 Equation 2, Substituted Y1: 10x = 10 Equation 2, Substituted Y1: x = 1 Step 3: 4y = 12(1) + 20 4y = 32 y = 8 Step 4: Test the Solutions [x = 1, y = 8] Equation 1: 4(8) =? 12(1) + 20 32 =? 20 + 12 32 = 32 Equation 2: 4(1) + 2(8) =? 20 4(1) + 2(8) =? 20 4 + 16 =? 20 Step-by-step explanation: plz mark as brainlest answer |
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