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Earn +20 ptsQ: Y equals 5-2x and 4x plus 6y equals -2 solve by substitution?
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How do you solve this -52x plus 3 equals 7?
-52x + 3 = 7 -52x + 3 = 7 -3 -3 -52x = 4 /52 /52 -x = 1/13 /-1 /-1 x = -1/13
What is the solution set of the equation 2x-10 plus 7 equals 5?
(2x - 10) + 7 = 52x - 3 = 52x = 8x = 4
What is the value for x in the following systems of equations x-y equals 5 2x plus y equals 7?
x - y = 52x + y = 7 (use the substitution method)y = x - 52x + y = 7 (substitute x - 5 for y into the second equation)2x + y = 72x + x - 5 = 73x = 12x = 4Thus x = 4 satisfies both the equations of the system.
Can the function f(x)52x equal 200?
Sure; a linear function such as this one can be equal to ANY real number.To know at what value of "x" this happens, just solve the equation 52x = 200. (Note: This will not be a whole number.)
What answer is that 3x-11 equals x plus 5?
3x - 11 = x + 5subtract x from both sides:3x - x - 11 = x - x +52x - 11 = 5add 11 to both sides:2x - 11 + 11 = 5+112x = 16divide both sides by 2 to solve for x:2x/2 = 16/2x = 8
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