OpenStax, Prealgebra 2e §5.7 Simplify and Use Square Roots · Review Exercise 114 · Algebra · Radicals & surds

Simplify and Use Square Roots · Review Exercise 114

Determine whether the each number is a solution of the given equation.

$x - 0.4 = 2.1$
ⓐ $x = 1.7$ ⓑ $x = 2.5$

Its source prints no answer for this problem, so there's nothing to check against.

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OpenStax, Prealgebra 2e · §5.7 Simplify and Use Square Roots · Review Exercise 114

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