Isolate variable a: Isolate the variable a on one side of the inequality. To do this, we will subtract 60a from both sides of the inequality to move all the terms with a to one side. Calculation: 60a + 64 - 60a ≥ 80a - 92 - 60a This simplifies to: 64 ≥ 20a - 92Add 92: Add 92 to both sides of the inequality to isolate the term with a. Calculation: 64 + 92 ≥ 20a - 92 + 92 This simplifies to: 156 ≥ 20aDivide by 20: Divide both sides of the inequality by 20 to solve for a. Calculation: 156 / 20 ≥ 20a / 20 This simplifies to: 7.8 ≥ a or a ≤ 7.8

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$60a+64 \geq 80a -92$

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60a+64 \geq 80a -92

Isolate variable $a$ : Isolate the variable $a$ on one side of the inequality. $\newline$ To do this, we will subtract $60a$ from both sides of the inequality to move all the terms with $a$ to one side. $\newline$ Calculation: $60a + 64 - 60a \geq 80a - 92 - 60a$ $\newline$ This simplifies to: $64 \geq 20a - 92$
Add $92$ : Add $92$ to both sides of the inequality to isolate the term with $a$ . $\newline$ Calculation: $64 + 92 \geq 20a - 92 + 92$ $\newline$ This simplifies to: $156 \geq 20a$
Divide by $20$ : Divide both sides of the inequality by $20$ to solve for $a$ . $\newline$ Calculation: $\frac{156}{20} \geq \frac{20a}{20}$ $\newline$ This simplifies to: $7.8 \geq a$ or $a \leq 7.8$