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Use addition or substitution to find the value of y for this set of equations 4x plus 13y equals 40 4x plus 3y equals -40?
a) 4x+13y=40 b) 4x+3y=-40c) multiply b per(-1)=-4x-3y-40d) sum a and c: 4x+13y-4x-3y=40-(-40)=>10y=80 => y=8to find x replace y per its value in a or b and get x=-16
What is 3y plus 3y?
3y +3y = 6y
What is the value of y in 3y equals 19 plus 5?
y = 8
What is -x plus 3y plus 6x-6y?
-x+3y+6x-6y=5x-3y
What is the equation for 3y plus 3y equals -1?
The equation for 3y + 3y = -1 is 3y + 3y = -1.
What does -5x plus 3y equals 15 what does y equal?
That depends on what the value of x is.
What is 15-2y 3y-5y plus 6 equal to?
That would depend on the plus or minus value of 3y or maybe an equality is missing none of which have been given.
If y8 find the value of 3y plus 7?
To find the value of 3y plus 7, you simply need to substitute a value for y and then perform the arithmetic. For example, if y = 2, then 3y + 7 = 3(2) + 7 = 6 + 7 = 13. In general, the expression 3y + 7 can be simplified by multiplying the coefficient of y (3) by the value of y and then adding 7 to the result.
What is -3y plus y equals to?
it is equal to 6y plus y
If y plus 3y plus 10 equals 70 what does y equal?
If y + 3y + 10 = 70, then 4y + 10 = 70, and 4y = 60. We then find that y = 60/4 = 15.
What is the value of y in this equation 3y 19 plus 5?
If you mean: 3y = 19+5 then the value of y is 8
Is 3y plus 1 equals 3y plus 1 an identity?
Technically, the answer is probably YES, but it is a tautology and, therefore, adds no value.
Solve this equation using subtitution 2x-3y equals 4 and x plus 4y equals -9?
2x-3y = 4 x+4y = -9 => x = -9-4y Substitute x = -9-4y into the top equation: 2(-9-4y)-3y = 4 -18-8y-3y = 4 -8y-3y = 4+18 -11y = 22 Divide both sides by -11 to find the value of y: y = -2 Substitute the value of y into the original equations to find the value of x: Therefore: x = -1 and y = -2 Remember that the product of a minus times a minus is equal to a plus when working out the original equations,
Is 2x plus 3y plus 7 equal to 3 a linear equation?
Yes.
What is the minimum value of 3x plus 3y?
Since x and y can get smaller and smaller without a limit, there is no minimum for the value of 3x+3y.
What is X plus y plus 4x-3x plus 2y plus 3y equal to?
Collecting like terms they are equal to: 2x+6y
What is 4y-38 plus 7y-3y equal to?
8y - 38
