Seudónimo Seudónimo
  • 12-01-2019
  • Mathematics
contestada

URGENT‼️‼️‼️‼️‼️ Is the open sentence 7x-5=2x+8 true when x=2? Justify your answer.

Respuesta :

jimrgrant1 jimrgrant1
  • 12-01-2019

Answer:

No

Step-by-step explanation:

Substitute x = 2 into the equation and if both sides are equal then x = 2 is a solution.

left side = (7 × 2) - 5 = 14 - 5 = 9

right side = (2 × 2) + 8 = 4 + 8 = 12

left side ≠ right side

Hence x = 2 is not a solution of the equation


Answer Link

Otras preguntas

How is Paper Money different in every country? Comprehension question! I need help! Someone please.
The motor transforms _______ energy into _______ energy. A. mechanical; chemical B. thermal; electrical C. mechanical; electrical D. electrical; mechani
Beverly places a gift into a box of equal dimensions and realizes the box is too small. She needs a box with dimensions that are 9 centimeters more than 2 times
what is 4x + 3x if x=2
How far apart are -29.6 and 13.3
Find the slope of the line graphed.
what’s the density of water
What makes us good decision makers?
help me please my family brainly​
briefly explain how focusing to specific set of goals can benefit you