7x + 30 = 100
What is x?

x = 10

Step-by-step explanation:

7x + 30 = 100

=> 7x = 100 - 30

=> 7x = 70

=> x = 10

Hoped this helped.

100-30 is 70 70/7= 10. x=10

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.