Example

Classifying 8(13x)+15(2x+7)=2(x+50)+4(x+3)+18(1 - 3x) + 15(2x + 7) = 2(x + 50) + 4(x + 3) + 1

To classify the linear equation 8(13x)+15(2x+7)=2(x+50)+4(x+3)+18(1 - 3x) + 15(2x + 7) = 2(x + 50) + 4(x + 3) + 1, begin by simplifying each side individually. On the left side, distributing the factors yields 824x+30x+1058 - 24x + 30x + 105, which simplifies by combining like terms to 6x+1136x + 113. On the right side, distributing gives 2x+100+4x+12+12x + 100 + 4x + 12 + 1. Combining the like terms on the right also produces 6x+1136x + 113. Equating the two simplified sides leads to 6x+113=6x+1136x + 113 = 6x + 113. Subtracting 6x6x from both sides removes the variable, leaving the true statement 113=113113 = 113. Because this equality holds true regardless of the value substituted for xx, the given equation is classified as an identity, meaning its solution is all real numbers.

0

1

Updated 2026-04-22

Contributors are:

Who are from:

Tags

OpenStax

Intermediate Algebra @ OpenStax

Ch.2 Solving Linear Equations - Intermediate Algebra @ OpenStax

Algebra

Related