2x - 5y = 10
x=5+2.5y,all numbers fit the equation.
x=5+2.5y,all numbers fit the equation.
What Is The Solution Of 2x - 5y = 10?
Quite right. There are 2 variables therefore you need to equations to solve.
Remember "SIMULTANEOUS EQUATIONS" in maths?
Remember "SIMULTANEOUS EQUATIONS" in maths?
X=15, y=4; 2 x 15 = 30 - 5 x 4 = 20 30 - 20 = 10 or x=10 & y=2 or any of many combinations