Assuming you mean 3x-20=130
3x=150
x=50
If you mean: 20 -3x = 14 then the value of x is 2
The value for x is 13. 10 x 13 = 130. 3 x 13 = 39. 130 + 39 = 169.
3x - 1 = 11 so 3x = 12 so x = 4, so x^2 + x = 16 + 4 = 20 3x=12 so therefore x=4 x2 + x = 16 + 4 = 20
Do you mean "what is the value of x when 3x - 2x = 15?" in that case, the value of x is 15
The value of x is: x=7/8. Work: 5x-3=4-3x +3 +3 ________ 5x=7-3x +3x +3x ________ 8x=7 /8 /8 ________ x=7/8
If you mean: 20 -3x = 14 then the value of x is 2
If: 3x+20 = 2x-10 Then: x = -30
You haven't given the solution to the equation ! 3x + 20 = ? If you have the number for the question-mark - you can find the value of x ! For example in the equation 3x + 20 = 50... the value of x is 10.
The value for x is 13. 10 x 13 = 130. 3 x 13 = 39. 130 + 39 = 169.
3x-1=11 3x = 12 x = 4 Then, x^2 +x = 20.
3x - 5 + 3x = 1x + 15 3x + 3x -1x = 15 + 5 5x = 20 5x/5 = 20/5 x = 4
3x-1=11 x=4 x^2+x=20
3x+130+65 = 360 3x+195 = 360 3x = 360-195 3x = 165 x = 55
3x - 1 = 11 so 3x = 12 so x = 4, so x^2 + x = 16 + 4 = 20 3x=12 so therefore x=4 x2 + x = 16 + 4 = 20
3x = 60 Divide both sides by 3 to find the value of x: x = 20
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To find the angle represented by (3x), first, you need to know the value of (x). If you have an equation or context where (x) is defined, substitute that value into (3x). For example, if (x = 20^\circ), then (3x = 3 \times 20^\circ = 60^\circ). If additional information is provided (like the sum of angles in a polygon), you can use that to solve for (x) first.