Answer:
4
Step-by-step explanation:
a+16=20
a=20-16
a=4
<h2><u>ANSWER </u></h2>
x= 3
Step-by-step explanation:
=> -4x – 5 + 2x = -11
=> -2x = -11+5
=> -2x = -6
=> x= 6/2
=> x= 3
Same here, we do a quick switcharoo on the variables first,
I think it's the third one cause the 3 will b "out of the house" while the 4 will b the power.