Answer:
60cm^2
Step-by-step explanation:
15 times 8 = 120
divided by 2 = 60
<h2>Maneuvering an equals sign</h2><h3>Concept</h3>
Learn the rules and implications of moving numbers across an equals sign to combine like terms.
<h3>Utilization</h3>
When you move a negative number across an equals sign (in incredibly linear equations), you should always add it, the inverse (subtract) goes for positive numbers.

<h3>Answer</h3>
x = -11
Answer:
Step-by-step explanation:
Vertically opposite angles are equal.
5x - 12 = 4x + 38
5x - 4x = 38 + 12
x = 50