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To solve the equation ( m - 15 = 5 ), you can add 15 to both sides. This gives you ( m = 5 + 15 ), which simplifies to ( m = 20 ). Therefore, the value of ( m ) that makes the equation true is 20.
5w - 5 = 8w - 25 -5 + 25 = 8w - 5w 20 = 3w 6 2/3 = w
Without an equality sign the given expression is not an equation but it can be simplified to: W-15
To solve a system of equations using substitution you solve one of the equations for one of the variables then substitute that into the other equation to solve for the other variable. For example. y = 6x 2x + 3y = -20 The first equation has already been solved for y. So, you simply substitute that into the second equation. 2x + 3(6x) = -20 2x + 18x = -20 20x = -20 x = -20/20 = -1 Now you have solved for x. You can substitute your answer for x back into the first equation to solve for y. y = 6x = 6(-1) = -6 Putting it all together... x = -1 y = -6
y = x2 - 3x - 20 is a formula linking two variables, x and y. It does not - indeed, it cannot - have a solution. The equation x2 - 3x - 20 = 0 has solutions at x = -3.217 and x = 6.217 approx.
To solve the equation ( m - 15 = 5 ), you can add 15 to both sides. This gives you ( m = 5 + 15 ), which simplifies to ( m = 20 ). Therefore, the value of ( m ) that makes the equation true is 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
-5x + 30 = 20 -5x + 30 - 30 = 20 - 30 -5x = -10 -5x / -5 = -10 / -5 x = 2
22
5w - 5 = 8w - 25 -5 + 25 = 8w - 5w 20 = 3w 6 2/3 = w
Better formatting is cos(2x+20)=-0.5
Without an equality sign the given expression is not an equation but it can be simplified to: W-15
To solve a system of equations using substitution you solve one of the equations for one of the variables then substitute that into the other equation to solve for the other variable. For example. y = 6x 2x + 3y = -20 The first equation has already been solved for y. So, you simply substitute that into the second equation. 2x + 3(6x) = -20 2x + 18x = -20 20x = -20 x = -20/20 = -1 Now you have solved for x. You can substitute your answer for x back into the first equation to solve for y. y = 6x = 6(-1) = -6 Putting it all together... x = -1 y = -6
well you can solve by creating an equation such as W=.20 times 120 W= 24 so 20 percent of 120 equals 24.
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.
y = x2 - 3x - 20 is a formula linking two variables, x and y. It does not - indeed, it cannot - have a solution. The equation x2 - 3x - 20 = 0 has solutions at x = -3.217 and x = 6.217 approx.
I, for one, am certainly not going to solve that.It is an expression, not an equation nor inequality and expressions cannot be solved.