Answer:
6x^2+3x+1
Step-by-step explanation:
Simplify by combining like terms
Answer:
x = 133
Step-by-step explanation:
x + 14 = 147
x (+ 14 - 14) = 147 - 14
x = 133
Answer:

Step-by-step explanation:

Answer: X= -7
Step-by-step explanation: A negative time a negative is a positive so -12x-7 is equal to 84. 84 plus 16 is equal too 100.