Solve the following equations. Show necessary computations and solutions.
1. vx = 15
2. Vx+9=4
3. VX-3 = 1
4. V3x + 1 = V2x + 6
help and i give you blessing godbless
1. vx = 15
2. Vx+9=4
3. VX-3 = 1
4. V3x + 1 = V2x + 6
help and i give you blessing godbless
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Answer:
Step-by-step explanation:
1. √x = 15
(√x)^2 = (15)^2
x= 225
2.cuberoot of x+9 = 4
(cuberoot of x+9)^3 = 4^3
x +9 = 4x4x4
x +9= 64
x + 9 -9 = 64-9
x= 55
3. √x -3= 1
√x = 1+3
√x =4
(√x)^2 = 4^2
x = 16
4.√ 3x +1 = √2x +6
(√3x +1)^2 = (√2x +6)^2
3x + 1= 2x +6
3x -2x =6-1
x=5