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Earn +20 ptsQ: What is equivalent to the expression 5a plus 5b?
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2(a plus b) plus 3(a plus b) plus 5a?
10a + 5b
What are 2 equivalent expressions for 5b plus 5b?
5b + 5b = 2 x 5b
2a-4b plus 4b-6a equals a plus b?
2a-6a-a=b+4b-4b -5a=5b-4b -5a=1b a=-5 b=1
How do you solve similtaneously -5a plus b equals 2 and -a -5b equals 0?
-5a + b = 2 AND -a - 5b = 0 -5a + b = 2 b = 2 + 5a *using above -a - 5b = 0 -a - 5(2 + 5a) = 0 -a - 10 - 25a = 0 -26a = 10 a = 10/-26 *using 'a' value 5a + b = 2 5(10/-26) + b = 2 -25/13 -2 = -b b = 51/13 Therefore a = 10/-26 b = 51/13
Can someone Simplify the expression 3a plus 2b - c - 2a plus 5b plus 3c by combining like terms?
ok, let's see: (3a-2a) + (2b+5b) +(-c +3c) = a + 7b +2c I think that's right.
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