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John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

Determine whether the statement is true or false