Answer:
The value of the given expression is 84.
Step-by-step explanation:
The given expression is

The number 252 can be written as 240+12, because 24 can easily divisible by 3.
The compatible numbers are 240 and 12




Therefore the value of the given expression is 84.
Answer:
7
Step-by-step explanation:
We need to plug in -1 for x. Here's what we get:
multiplying two negative numbers gives us a positive number

= 7
Answer:
<h3>x = 2</h3>
Step-by-step explanation:
3x + 5 = 19 - 4x <em>subtract 5 from both sides</em>
3x = 14 - 4x <em>add 4x to both sides</em>
7x = 14 <em>divide both sides by 7</em>
x = 2
Answer:
47 degrees
Step-by-step explanation:
43+90= 133
180-133=47