Answer:
D. A term that is not formally defined but provides a starting place for
all other definitions
Step-by-step explanation:
Answer: you alredy solved it
1.2
= = 1.2
r
Answer: <em>x=4</em>
<em>1+3x=x+9</em>
<em> -x -x</em>
<em>1+2x=9</em>
<em>-1 -1</em>
<em>2x=8</em>
<em>Divide by 2 on each side</em>
<em>Final result</em>
<em>x=4</em>
