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2x-y equals 10 3x-2y equals 8?
Multiply first equation by 2: 4x - 2y = 20 Subtract second equation: x = 12, so y = 14.
What is the solution of x 8 -12?
20
How do you solve for x if the problem is 3x plus 20?
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.
How do you solve the equation -3x minus 5 equals -20?
Add 5 to both sides of the equation to get rid of the - 5. -3x - 5 + 5 = -20 + 5 Solve and simplify. -3x = -15 Divide both sides of the equation by -3. x = 5
-2x - 14 equals 26?
- 2x - 14 = 26 Switch all signs: 2x + 14 = - 26 Subtract 14 from both sides: 2x = -26 - 14 = - 40 Divide both sides by 2: x = - 40/2 = - 20
How to make an equation equaling six or three.?
An equation never equals a number, but its solution often does.-- An equation with a solution of six: [ 3x - 14 = 4 ]-- An equation with a solution of three: [ 14 - 10x = -16 ]-- An equation with both solutions: [ x2 - 9x + 20 = 2 ]An equation that equals 6 is 10 - 4 = 6An equation that equals 3 is 10 - 7 = 3
Does the equation 4x equals -20 have a solution over the set of rational numbers?
Yes, it does.
What is the solution to x minus 14 equals 20?
x = 34 {add 14 to both sides: x - 14 + 14 = 20 + 14 = 34}
How do you Find the solution for the equation 6 - 2x equals 20?
First you get the variables on one side and the constants on the other. -2x = 14 Then you divide by -2 to get the variable alone. x = -7
Help me solve this equation by substitution. x-5y equals 10 2x-10y equals 20?
what is the solution of x-5y=10 and 2x-10y=20
What is 4y equals 20?
The equation (4y = 20) represents a linear equation where (y) is the variable. To solve for (y), divide both sides of the equation by 4, resulting in (y = 5). Thus, the solution to the equation is (y = 5).
What is the solution to this equation -20x equals -300?
280
What is the answer of 20-2 equals?
The answer to the equation 20 - 2 equals 18.
What is y plus x minus 20 equals 3?
One equation y equals 9 x equals 14 Don't forget to add it to 23.
What is the solution to 4x minus 14 plus 6 equals 12?
4x - 14 + 6 = 12 first I would combine the terms -14 and +6, which when added together give us -8, so 4x - 8 = 12 then I would add 8 to both sides of the equation, which gives us 4x = 20 then I would divide both sides of the equation by 4, which gives x = 5 and that is the solution.
2x-y equals 10 3x-2y equals 8?
Multiply first equation by 2: 4x - 2y = 20 Subtract second equation: x = 12, so y = 14.
Solve each equation. Check the solution. You may find a model helpful.5 a equals 100?
(Since 5 times 20 does equal 100, the solution is correct.
