you times somthing by 2 then somthing by 5
2*5 = 10
5*2 = 10
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x - 5 = 2, we can solve for x by adding 5 to both sides yielding: x = 7
To solve for x: x2 = 5x + 2 x2 - 5x = 2 x2 - 5x + (5/2)2 = 2 + (5/2)2 (x - 5/2)2 = 8/4 + 25/4 x - 5/2 = ± √(33/4) x = (5 ± √33) / 2
To solve the equation f(x) = 2x-5, set f(x) equal to zero and solve for x. In this case, you have 2x-5 = 0. Add 5 to both sides of the equation to isolate the x term, giving you 2x = 5. Finally, divide both sides by 2 to solve for x, which gives x = 5/2 or x = 2.5.
2
x+3y=2 x= -5 y = 1