Add the two equations together, notice that the y and -y cancel. You can solve for x. Take your value of x and put it into either equation. Solve for y. Done.
Also, don't mark this question as calculus. This is algebra.
5x + 8xy + 10x + 3xy = 15x + 11xycombine like terms (the x's and the xy's)
To determine if the expressions (5x - 3xy - 5x) and (7xy - 4y) are equivalent, we can simplify the first expression. Simplifying (5x - 3xy - 5x) results in (-3xy). The second expression, (7xy - 4y), does not simplify to (-3xy). Therefore, the two expressions are not equivalent.
-1
It's a simultaneous equation and can be solved by elimination which works out as:- x = -4 and y = 1
33
5x plus 3 does equal 3 plus 5x; commutative law.
By a process of elimination and substitution the lines intersect at: (4, -7)
What is the answer to 2x - 5x plus 6.3 equals -14.4?
x=6
8x-7 plus 2x equals 6 plus 5x plus 2?
To find the expression for ((5x - y)(3x^2 - 3xy + 2y^2)), you need to distribute (5x) and (-y) across each term in the second polynomial. This results in: [ 5x(3x^2) - 5x(3xy) + 5x(2y^2) - y(3x^2) + y(3xy) - y(2y^2) ] Simplifying this gives: [ 15x^3 - 15x^2y + 10xy^2 - 3x^2y + 3xy^2 - 2y^3 ] Combining like terms results in: [ 15x^3 - 18x^2y + 13xy^2 - 2y^3 ]
Yes.