The inequality is .
(Distribute 7)
(Multiply:
)
Apply addition property of inequality: Add 28 to each side.
\ (Apply additive inverse property:
)
(Apply additive identity property:
)
Apply subtraction property of inequality: If then
.
(Subtract 10p from each side)
Apply commutative property of addition: .
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Apply division property of inequality: If then
.
(Divide each side by 4)
(Cancel common terms)
(Divide:
)
Graph the solution on a number line.
Note: A dot means that this point is included in the solution set.
The inequality solution is .