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18 = x/2
We are trying to end up with just a variable (x) on one side of the equation.
Step 1: multiply both sides of the equation by 2 (we must do exactly the same to both sides of the equation so that it remains equal), which gives:
36 = x, which I will rewrite as x = 36 (as this reads a little better).
And in this question this is the only step required.
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Solve y equals -2 4x-3y equals 18?
y = -24x - 3y = 18 (use the substitution method)4x - 3y = 18 (substitute -2 for y, and solve for x))4x - 3(-2) = 184x + 6 = 18 (subtract 6 to both sides)4x = 12 (divide by 2 to both sides)x = 3Thus, (3, -2) is the solution of the given system of equations.
How do you solve the equation 3 parentheses x plus 2 parentheses equals x minus 18?
3(x+2) = x -18 3x+6 = x -18 3x -x = -18 -6 2x = -24 x = -12
Explain how to solve x2 plus 8x -2 equals 0 by completing a square?
x2 + 8x - 2 = 0 => x2 + 8x = 2 => x2 + 8x + 16 = 2 + 16 = 18 => (x + 4)2 = 18 => x + 4 = +or- sqrt(18) = +or- 3*sqrt(2) so x = -4 +or- 3*sqrt(2)
What does x equals in 3x 12 equals 18?
3x+12 = 18 3x = 18-12 3x = 6 x = 2
How do you solve x for 2-2 over 3x equals 4over5x?
This question has already been answered in detail and the value of x is 11/15 which when substituted into the equation results in: 12/11 = 12/11
Solve the proportion 1 over 9 equals x over 18?
1/9=x/18 18=9x 2=x
How so solve x over 6 equals 18 over 9?
18 over 9 = 2 so x over 6 = 2 making x = 6 x 2 ie 12
How do you solve 2 over 3 equals 18 over x plus 5?
2 over 3 = 18 over x+5... x=22 because (x+5) needs to equal 27 for the equation to be true.
What is 2 over something that equals 12 over 18?
2 over 3
This a fraction 18 times 1 over 2 equals?
If you mean 18 x 1/2 it equals 9
How do you solve 1 over eight plus 1 over eight?
It equals 2 over 8.
Solve equation 32x-1 equals 5-3x-2?
x equals 4 over 35
Solve y equals -2 4x-3y equals 18?
y = -24x - 3y = 18 (use the substitution method)4x - 3y = 18 (substitute -2 for y, and solve for x))4x - 3(-2) = 184x + 6 = 18 (subtract 6 to both sides)4x = 12 (divide by 2 to both sides)x = 3Thus, (3, -2) is the solution of the given system of equations.
How do you solve y plus y plus 2 equals 18?
y + y + 2 = 182y + 2 = 182y = 16y = 8whew !
What is 18-2 over 2 plus 6?
16/8 equals 2
How do you solve 6x-4 equals 18?
6x-4 = 18 6x = 18+4 6x = 22 x = 22/6 = 3 and 2/3
How do you solve 11x equals 20x Plus 18?
11x = 20x +1811x-20x=18x(11-20)=18-9x=18x=-2
