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Earn +20 ptsQ: Evaluate q-r if q equals -13 and r equals -2?
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Continue Learning about Algebra
Evaluate 7x - 2 - 6x plus 15 for x equals -2?
11
How would you evaluate the expression 3x-4y equals 9 when x equals 2 and y equals 5?
explain how to evaluate an algebraic expression for given variables. how would we evaluate the expression "3x-4y+9" when x=2and y=5?
Evaluate a-2 for a equals 8?
Sure thing, honey. If a equals 8, then you just substitute that bad boy in for a in the expression a-2. So, 8-2 equals 6. Ta-da! Your answer is 6. Hope that clears things up for ya, sugar.
2x plus 3y equals 13 3x minus y equals 3 x equals?
2x+3y=13 3x-y=3 x=2
Simplify the algebraic expression 7x squared minus 4y plus 3x squared plus 5y plus 2 and evaluate it for x equals 3 and y equals 9?
7(3y-2)-(-4y+9)
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