Answer:
x = - 
Step-by-step explanation:
Given
20x + 12 = 4x - 16 ( subtract 4x from both sides )
16x + 12 = - 16 ( subtract 12 from both sides )
16x = - 28 ( divide both sides by 16 )
x =
= -
[ = - 1.75 ]
Step-by-step explanation:
20miles per hour HAVE A GOOD DAY
The answer is 130 degrees
Step-by-step explanation:
the second equation should be multiplied by 9