Answer:
x=10
Step-by-step explanation:
Make 2x the only variable on the left side of the equation. Do that by taking 3 and 5 to the left. Note: if you move/transpose any number the sign must change.
2x = 18+5-3
2x=20
Divide both sides of the equation by 2 to make x the only variable left.
x=10
Answer:negative case : 2.5x - 6.8 = -12.9
positive case : 2.5 - 6.8 = 12.9
step 2 : 6.8
step 3 : dividing by 2.5
step 4 : x = 7.88
Step-by-step explanation:
Answer:10,8
Step-by-step explanation:
Because
Why now :cccccccccccccccccc
A great way to organize this would be to make a t-chart!
<u>Triangular Prism | Triangular Pyramid
</u> |
<u />*2 triangular bases | *1 triangular base
|
*3 lateral faces in the | * 3 lateral faces in the
shape of rectangles | shape of triangles
