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3x - 5y = 111
4x + 3y = -26
Eqn 1 * 4 : 12x - 20y = 444
Eqn 2 * 3 : 12x + 9y = -78
Subtrcating the first of these from the second,
29y = -522 and dividing both sides by 29: y = -18
Substituting this value in eqn 1: 3x + 90 = 111 so that 3x = 21 and x = 7
Soln: (x,y) = (7,-18)
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Continue Learning about Math & Arithmetic
168 plus 32 - -26 - 17 plus -320 equals?
-111
What is 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 plus 26 equals?
15x26=390
What plus another number equals 26?
How about 20 plus 6 equals 26 as one example
What is 26 plus a if a is equals 8?
26 + 8 = 34
What is the answer to 10n equals 9n plus 26?
n = 26
Related Questions
168 plus 32 - -26 - 17 plus -320 equals?
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What plus another number equals 26?
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