Evaluating each expression with x = -2 and y = 3 gives
3x²y - x = 38
3y - x = 11
x² - y = 7
x + 2xy = 14
4y - 2xy + 2y = 33
2x - y = -7
6 -x = 8
3x - 2y = -12
3x - 2y + xy = -18
How to evaluate the expressions
The expressions are evaluated by substituting the values of x and y into the equations and solve
solving the expressions
3x²y - x
substituting x = -2 and y = 3
= 3(-2)² * 3 - (-2)
= 38
3y - x =
substituting x = -2 and y = 3
= 3 * 3 - (-2)
= 11
x² + y
substituting x = -2 and y = 3
= (-2)² + 3
= 7
x + 2xy
substituting x = -2 and y = 3
= -2 + 2 * -2 * 3
= -14
4y - 2xy + 3y
7y - 2xy
substituting x = -2 and y = 3
= 7 * 3 - 2 * -2 * 3
= 21 - (-12)
= 33
2x - y =
substituting x = -2 and y = 3
= 2 * -2 - 3
= -7
6 - x
substituting x = -2
= 6 - (-2)
= 8
3x - 2y
substituting x = -2 and y = 3
= 3 * -2 - 2 * 3
= -6 - 6
= -12
3x - 2y + xy
substituting x = -2 and y = 3
= 3 * -2 - 2 * 3 + -2 * 3
= -6 - 6 + (-6)
= -18
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