Answer:
x = 4
Step-by-step explanation:
3x -5 = -2 + 9
-2 + 9 = 7 so now its 3x - 5 = 7
add 5 to the -5 so it cancels itself out. then add the 5 to 7 so it become 12. the you have 3x = 12
divide 12 ÷ 3 = 4
x = 4
1 400 000 000 000 000 000 000 km = 1.4 * 10^21 km
Answer:
sorry but do not threat people you said I will mark u the brainliest
As far as I remember, we learned a lot about ratios and fractions, such as adding, subtracting, multiplying, and dividing them, as well as finding LCM and GCF.
Answer:
x=30
Step-by-step explanation:
5x+x=180
6x=180
x=30
5x=150
x=30
3x=90
2x=60