Lightskin15
Lightskin15 Lightskin15
  • 12-08-2015
  • Mathematics
contestada

How do you solve the linear equations y=2x-3 and 4y=2x+8

Respuesta :

JaySL JaySL
  • 12-08-2015
Subtract the first equation from the second to get:

4y-y=2x-2x+8+3

Simplifying, we see that 3y=11, so y=11/3.  Substituting this into the first equation, we have:

11/3=2x-3

Adding 3, we see that 2x=20/3, so x=10/3.
Answer Link

Otras preguntas

Solve the system by substitution x+5y=4 2x+10y=8
1/2x3+1/4x2 = i need to know please
m stands for a whole number greater than 10 and less than 20 n stands for a whole number greater than 2 and less than 10 1. What is the smallest number that m x
an empty beaker weighs 39.09 g A)when completely filled with water, the breaker and its contents have a total mass of 388.15 g. what volume does the beaker hold
Which best describes the characteristics of lynchings in the South from 1880 to 1910? a) The number of lynchings in the South increased. b) The number of lynchi
x+2y=12 3x-10y = 0 y=? x=?
Which sentence has correct capitalization. George Washington was the first president of the United States. George Washington was the first President of the Unit
Lorelei filled her 5-gallon jug with water. How many times could she fill her 2-quart canteen with water from the jug?
What number completes both equation? 1/4÷7=? ?×7=1/4
Expand and simplify 2 + (3v + 1) + 10 (v - w)