2x + 3y = 29x= 4
find x
29x= 4
x = (4/29)
sub x into the first part of the sum
2x + 3y = 4
2*(4/29) + 3y = 4 note * means multiply
(8/29) + 3y = 4
3y = 4 - (8/29)
3y = (108/29) note 4* 29 minus 8 = 108
y = (36/29)
there is probably a quicker way to do this.
2x+32 = 1 2x = 1-32 2x = -31 x = -15.5
22+2x = 37+6+x 2x-x = 37+6-22 x = 21
2x+8 = 6 2x = 6-8 2x = -2 x = -1
2y = 4x + 4y = 2x + 2
3x - 2 = 2x + 4 3x - 2x = 4 + 2 x = 6
x-29 = 13+2x x-2x = 13+29 -x = 42 x = -42
2x+a=p 2x=p-a x=.5p-.5a
y= -2x
3
8
many solutions
x=35
(3,3)
2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0
2x+32 = 1 2x = 1-32 2x = -31 x = -15.5
2x+3 = 7 2x = 7-3 2x = 4 x = 2
If: x+1+2x = 1x+5 Then: x = 2