exam Maths Puzzle Numerical Ability

Have you any suggestions on how to work this problem to its simplest form? thanks 2x2 - 26x = 60

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exam Other Question

-4y - (5y +6) = -7y + 3 i need a step by step on how to solve
-4y (-5y +6) = -7y + 3
20y + 6 = -7y + 3
i got stuck here
3x + 5 + 2x= x -7 - 2x

4(y-2) -9= 2y + 7 - 3y + 12


-4(x-3) + x=-2x-3/4


please help me i am so stuck on these questions!