(3)(14) = 84x
42 =84X
x=1/2
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x - 12 = 91 - 84x - 12 = 7x = 19
4x + 5 = 3x + 84x-3x + 5 - 5 = 3x - 3x + 8 -5x = 3
x + (x + 1) + (x + 2) = 843x + 3 = 84x = 2727 + 28 + 29 = 84x + (x + 1) + (x + 2) + (x + 3) + (x + 4) + (x + 5) + (x + 6)= 847x + 21 = 84x = 99 + 10 + 11 + 12 + 13 + 14 + 15 = 848x + 28 = 84x = 77 + 8 + 9 + 10 + 11 + 12 + 13 + 14 = 84
Your answers are x = 1/2 (.5) & y = 1Given Equations:10x + 3y = 82x + y = 2Derived Equations:y = 2 - 2xSubstitution:10x + 3 * (2 - 2x) = 810x + 6 - 6x = 84x + 6 = 84x = 2x = 1/2 = .52 * (.5) + y = 21 + y = 2y = 1Check Answers:10 * (.5) + 3 * (1) = 82 * (.5) + (1) = 2
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