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Formula
Solve the inequality
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$\dfrac { 93 + 84 + 96 + x } { 4 } \geq 90$
$\dfrac { 93 + 84 + 96 + x } { 4 } \geq 90$
Solution of inequality
$x \geq 87$
$\dfrac{ 93+84+96+x }{ 4 } \geq 90$
$x \geq 87$
 Solve a solution to $x$
$\dfrac { \color{#FF6800}{ 93 } \color{#FF6800}{ + } \color{#FF6800}{ 84 } \color{#FF6800}{ + } \color{#FF6800}{ 96 } + x } { 4 } \geq 90$
 Find the sum 
$\dfrac { \color{#FF6800}{ 273 } + x } { 4 } \geq 90$
$\dfrac { \color{#FF6800}{ 273 } \color{#FF6800}{ + } \color{#FF6800}{ x } } { 4 } \geq 90$
 Organize the expression 
$\dfrac { \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 273 } } { 4 } \geq 90$
$\color{#FF6800}{ \dfrac { x + 273 } { 4 } } \geq \color{#FF6800}{ 90 }$
 Multiply both sides by the least common multiple for the denominators to eliminate the fraction 
$\color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 273 } \geq \color{#FF6800}{ 360 }$
$x \color{#FF6800}{ + } \color{#FF6800}{ 273 } \geq 360$
 Move the constant to the right side and change the sign 
$x \geq 360 \color{#FF6800}{ - } \color{#FF6800}{ 273 }$
$x \geq \color{#FF6800}{ 360 } \color{#FF6800}{ - } \color{#FF6800}{ 273 }$
 Subtract $273$ from $360$
$x \geq \color{#FF6800}{ 87 }$
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Inequality
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