$$\mathrm{abs}\left(7\right)$$

Use operations (+, −, ×, ÷) applied to both sides of the equation to isolate x.

What defines a linear equation?

A linear expression with an = sign is a linear equation.formula$$n7$$

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$\mathrm{abs}\left(7\right)$: Use operations (+, −, ×, ÷) applied to both sides of the equation to isolate x.
What defines a linear equation?: A linear expression with an = sign is a linear equation.
formula
$n7$