If you mean: 2x+y = -6 and 5x-3 = 7 then the solutions are x = -1 and y = -4
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2x2 - 6x - 25 = 0. Solutions are 5.34 and -2.34
Only one. 2x - 12x = 220 -10x = 220 x= 220/-10 x = -22
For example:y = x, and2y = 2x
3
the maximum number of solutions to an euation is equal to the highest power expressed in the equation. 2x^2=whatever will have 2 answers