5x=4012y=84124
30 + 5x = 15 + 10x 30 = 15 + 5x 15 = 5x x = 3
4
5x+8=6 5x=6-8 5x=-2 x=-0.4 Absolute value of -0.4=0.4
x=4
5x=4012y=84124
30 + 5x = 15 + 10x 30 = 15 + 5x 15 = 5x x = 3
5
4
5x+8=6 5x=6-8 5x=-2 x=-0.4 Absolute value of -0.4=0.4
x=4
It is an equation and the value of x is 2
5x+8 = 10x+35x-10x = 3-8-5x = -5x = 1 and by substituting the value of x into the equations y = 13
We can't calculate what it equals until we know the value of ' x '.
33
abc = 38
Simultaneous equations.