Suppose x - 4 is substituted for y in the equation x + 3y = 8. Insert parentheses in x +
Chapter 4, Problem 4.2.5(choose chapter or problem)
Suppose x - 4 is substituted for y in the equation x + 3y = 8. Insert parentheses in x + 3x - 4 = 8x to show the substitution.
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