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Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Percent increase and decrease. original number: 45 new number: 18