If 3a+5=5a+3, then: 3a+5 - 3a = 5a+3 - 3a 5=2a+3 5 - 3=2a+3 - 3 2=2a a=1
Subtract 2a from each side: P - 2a = b ie b = P - 2a
a+b+2+3=5+a+b
5a - 5 = 7 + 2a ( subtract 2a from both sides) 3a - 5 = 7 (add 5 to both sides) 3a = 12 ( divide both sides by 3) a = 4
9a +8 -2a -3 -5a = 2a +5
-2a + 5 = 1 -2a = -5 + 1 -2a = -4 a = -4/-2 a = 2
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a=5
depends what 'a' =
2a+5a=3 7a=3 a=3/7 or .4286
If 3a+5=5a+3, then: 3a+5 - 3a = 5a+3 - 3a 5=2a+3 5 - 3=2a+3 - 3 2=2a a=1
Subtract 2a from each side: P - 2a = b ie b = P - 2a
It is [(2a+2h+5) - (2a+5)]/h = 2h/h = 2
a+b+2+3=5+a+b
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b = 2a + 11a + b = 5 which is b = 5 - atherefore2a + 11 = 5 - a (which is b = b)2a + a = - 11 + 53a = - 6a = - 2looking at first equation substitute - 2 for a:b = 2a + 11b = 2*(- 2) + 11b = - 4 +11b = 7to check:a + b = 5- 2 + 7 = 5
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