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How do you do this math problem y equals x plus 4 and 3y plus x equals 8?
y = x + 43y + x = 8substituting: 3*(x + 4) + x = 8 => 3x + 12 + x = 8 => 4x = -4 => x = -1and then y = x + 4 = -1 + 4 = 3.So the solution is (x, y) = (-1, 3)
If y equals one-forth x and x equals -12 then what is y?
x equals -12 and y equals 1/4 of -12, so y = -3.
What does 3x-4y equals 12 equal?
3x-4x=12 that means -x equals 12 so x equals -12
12 equals 3 x blank equals 6 x blank equals blank x 1 fill in the blanks?
12 equals 3x(4) equals 6x(2) equals (12)x1
What is x - 8 equals -12 math?
20
12 X 12 equals 142. True or false?
False, 12 x 12 equals 143!JOKES! It actually equals 144!hehe!
What is the answer to this x equals 12 equals?
6 +6 = 12
What is 12 plus x for x equals 4?
If the x=4, then its equivelent to 12 + 4, which equals 16.
X divided by 63 equals 2 x equals?
12
X plus 6 equals 12?
X equals 6 ..
4x plus 5y equals 2 7x minus 2y equals 1 solve by substitution?
4x + 5y = 2 and 7x - 2y = 1 From the first equation, x = (2 - 5y)/4 putting this value of x to the second equation, 7(2 - 5y)/4 - 2y =1 => (14 - 35y)/4 - 2y = 1 =>14 - 35y - 8y = 4 =>14 - 43y = 4 =>43y = 10 => y = 10/43 putting y = 10/43 in x = (2 - 5y)/4 => x =( 86 - 50 )/172 => x = 36/172 => x = 9/43 therefore, x = 9/43 and y = 10/43
What does x equal in -3x equals 12?
X equals -4 because if you pluged in 12 divided by -3 it equals -4.
