By using the quadratic equation formula: x = -5 and x = 3
4x + 69 = 30 + 5xSeparate the variables and constants (subtract 4x from each side):69 = 30 + xSubtract 30 from each side (your variable is already a unit) :39 = x
How do you write 4x plus 4y equals 40 or how do you solve it? You would write it 4x+4y=40 you would solve it for y by subtracting 4x from both sides 4y=40-4x then divide all of that by 4y=40-4x/4 that's if you were graphing i have no idea what you're asking hope that helps if it's not too late.
6x - 30 = 4x + 1 Subtract 4x + 1 from each side giving 2x - 31 = 0 so x = 15.5
you have to solve for the variable for example. 4x + 2y = 8. you would solve for y. so you subtract the 4x and you do the same to both sides and you get 2y = -4x + 8. you then divide everything by 2 to get y by itself and you end up with y = -2x + 4
8x+30=4x+18 -4x -4x 4x+30=18 -30 -30 4x=-12 4x/4=-12/4 x=-3
-21-4x=9-7x 7x-4x=9+21 3x=30 x=30 / 3 therefore x=10
4x to the sixth can be expanded to (4x * 4x * 4x)(4x * 4x * 4x) or (4x to the third)(4x to the third) the square root of the above would be 4x to the third
By using the quadratic equation formula: x = -5 and x = 3
4x + 69 = 30 + 5xSeparate the variables and constants (subtract 4x from each side):69 = 30 + xSubtract 30 from each side (your variable is already a unit) :39 = x
4x2=8 8+22=30 You get 30 it really is simple
How do you solve y=-4x+1
You cannot solve one linear equation in two variables. You can express y in terms of x but that is NOT solving for y.
-6x, -4x =
How do you write 4x plus 4y equals 40 or how do you solve it? You would write it 4x+4y=40 you would solve it for y by subtracting 4x from both sides 4y=40-4x then divide all of that by 4y=40-4x/4 that's if you were graphing i have no idea what you're asking hope that helps if it's not too late.
6x - 30 = 4x + 1 Subtract 4x + 1 from each side giving 2x - 31 = 0 so x = 15.5
Just find the length of the bottom side. If you were looking for how to solve it with algebra given: Area=30 and Height=4 Then write the equation: 4x=30 To solve it, divide both side by 4. 4x/4=1x or just x. 30 divided by 4 is 7.5. This means that the base is 7.5 units long