Pre-Algebra Examples

$70 % \cdot x + x = 68$

Step 1

Simplify $70 % \cdot x + x$ .

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Step 1.1

Convert $70 %$ to a decimal.

$0.7 x + x = 68$

Step 1.2

Add $0.7 x$ and $x$ .

$1.7 x = 68$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x \approx 40$

Step 3