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Simultaneous Equations.
4x + 5y = 51
4x - 5y = 21
eliminate 'y' by addition.
Hence
8x = 72
x = 72/8
x = 9
When x = 9 Substitute into eith equation.
4(9) + 5y = 51
36 + 5y = 51
5y = 51 - 36
5y = 15
y = 3
Hence the answer is ( x,y) = ( 9,3).
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Value of x when 5x plus 51 equals 9x plus 11?
5x + 51 = 9x + 11 Becomes 40 = 4x So x = 10
15 times w plus 51 equals 105 plus 51?
yes.W= 7
What does 36 plus 15 equals?
51
7x6 plus 9?
The answer to 7 x 6 plus 9 is 51. You have to multiply 7 by 6 which equals 42 and add 9 onto it which equals 51.
What plus therteen equals 51?
50 +1. 25+26,10+41,48+3, etc
Related Questions
3x-8 plus 5x plus 39 plus 4 x plus 51 equals?
3x-8+5x+39+4x+51 = x(3+5+4) + -8 + 39 + 51 = 12x +82
Value of x when 5x plus 51 equals 9x plus 11?
5x + 51 = 9x + 11 Becomes 40 = 4x So x = 10
15 times w plus 51 equals 105 plus 51?
yes.W= 7
What is the answer to -7b plus equals -51?
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What is 51 plus 69 equals?
120
What does 36 plus 15 equals?
51
What is the answer to 6x plus 4y equals 62 and 5x plus 3y equals 51?
(9,2)
7x6 plus 9?
The answer to 7 x 6 plus 9 is 51. You have to multiply 7 by 6 which equals 42 and add 9 onto it which equals 51.
What is the solution of a plus 35 equals 51?
a = 16
What plus therteen equals 51?
50 +1. 25+26,10+41,48+3, etc
If x equals 7 and y equals 6 then 3x plus 5y equals?
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51 miles plus 10 feet equals how many feet?
51 miles plus 10 feet=269,290 feet
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