4=-2(x-3)
divide both sides by 2
2=-(x-3)
remove parentheses
2=-x+3
move terms
2+x=3
subtract numbers
x=3-2
x=1
Answer:
Try This! 32 time 15 =480
Step-by-step explanation:
<span>6.8 x 10^-2
The scientific notation of 70, 030, 000. To find the scientific notation of this value </span><span><span>
1. </span>We first move the period which separates the whole number from the decimal number which is located after the numbers of the given value.</span>
<span><span>2. </span>We move it in the very recent order number which is seventy million, seven and zero.</span> <span><span>
3. </span>It becomes 7.003</span>
<span><span>4. </span>Thus we count how many moves we did from the tens to the ten million order place.</span> <span><span>
5. </span>7.003 x 10^7<span>
</span></span>
X = low-energy lamp
y = high-energy lamp
1) 4x + 5y
2) 120= 4x + 5y
