Math Problem Statement
Solve the following system of equations for "x". Express your answer as a decimal number with at least four digits past the decimal.
y - (7.1)(x) = (8.9)(x + y) + 8.2
y + 6.4 = (y - x)/2
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Linear Equations
Substitution Method
Formulas
y - 7.1x = 8.9(x + y) + 8.2
y + 6.4 = (y - x)/2
Theorems
Substitution method in systems of equations
Simplification of linear equations
Suitable Grade Level
Grades 10-12