exam Maths Puzzle Numerical Ability

if my problem was5x+9=39 and i had to do five steps how would i solve this problem

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exam Other Question

Please help me!!!
1. You have 10 feet of yarn to use for making bracelets and necklaces. You need 1 foot for each bracelet and 2 feet for each necklace.

_______________________ Solve by completing the square.
4x^2 + 2x - 3 = 0