2x + 1 = 9 2x = 9 - 1 2x = 8 2x/2 = 8/2 x=4
2x+8=10... Subtract 8 on both sides, then devide by 2... 2x=2... x=1
It is: 8-2x
2x + 8 = 2(x+4)
-2x+8=3y(-2x+8)/3=yplug in values of x or y into equation to find x or yTo obtain specific values for x or y, you would need 2 equations for the two variables. You can still solve the equation for a specific variable, in terms of the other. For example, to solve for x:2x + 3y = 82x = 8 - 3yx = (8 - 3y) / 2
2x+8 = 6 2x = 6-8 2x = -2 x = -1
2x + 1 = 9 2x = 9 - 1 2x = 8 2x/2 = 8/2 x=4
2x+8=10... Subtract 8 on both sides, then devide by 2... 2x=2... x=1
It is: 8-2x
8
6x-8+2x-5 = 7-2x 6x+2x+2x = 7+8+5 10x = 20 x = 20/10 x = 2
2x + 8 = 2(x+4)
-2x+8=3y(-2x+8)/3=yplug in values of x or y into equation to find x or yTo obtain specific values for x or y, you would need 2 equations for the two variables. You can still solve the equation for a specific variable, in terms of the other. For example, to solve for x:2x + 3y = 82x = 8 - 3yx = (8 - 3y) / 2
You cannot solve one equation in two unknowns.
Simplify 4x + 3 = 2x + 8 2x = 5 x =2½
2x+1 = 9 2x = 9-1 2x = 8 x = 4
4x + 3 = -3 + 2x + 14 2x + 3 = -3 +14 2x + 3 = 11 2x = 8 x=4