viviannna viviannna
  • 09-09-2014
  • Mathematics
contestada

Multi-step K is the midpoint of JL, JL=4x-2, and JK=7. Find x, KL, and JL

Respuesta :

Аноним Аноним
  • 09-09-2014
If K is midpoint of JL then JK = 0.5JL

JL = 4x - 2; JK = 7

The equation:
0.5(4x - 2) = 7
2x - 1 = 7      |add 1 to both sides
2x = 8        |divide both sides by 2
x = 4

JL = 4(4) - 2 = 16 - 2 = 14

KL = JK = 7
Answer Link

Otras preguntas

Can someone help me please???
How many milliliters are equal to 4 liters?
someone pls help, i need the answer asap <3
highlight why it is important to evaluate important assessment studies before any development could be made on the environment​
how to change ollie has always loved football to reported speech ?
If 14 people are shorter than Alice, 12 people are taller than Bob, and 4 people are shorter than Alice and taller than Bob, how many people are there?
Please help thanks brainliest!
11. This year, teachers can eam a $250 tax credit on money they spend in their classrooms. How will this tax credit affect the teachers' tax returns? A. The $25
Introduction of African history​
Who else is happy that today is the last day of their school year?​