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Q: Solve for x when -0.6x plus 0.5x plus 9 equals -3?

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6x - 12 + 4x + 5 = 06x + 4x = 12 - 510x = 7x = 7/10

.06x+.08y=520 x+y=7000 solve for either the x or y in the x+y=7000 problem: y=7000-x now subsitute your new equation in for y: .06x+.08(7000-x)=520 now solve: .06x+560-.08x=520 -560 -560 .06x-.08x=-40 -.02x=-40 -.02 -.02 x=2000 then plug x into your x+y=7000 equation: 2000+y=7000 y=5000 SOOO, x=2000 @ 6%, y=5000 @8%

log (6x + 5) = 26x + 5 > 06x + 5 - 5 > 0 - 56x > - 56x/6 > -5/6x > -5/6log (6x + 5) = 210^2 = 6x + 5100 = 6x + 5100 - 5 = 6x + 5 - 595 = 6x95/6 = 6x/695/6 = xCheck:

.06x molar mass of zinc which is the atomic mass so 3.9228 g

x-y +1 =06x=6y-7

5x + 9y = 06x + 6y = 2 use substitution method5x + 9y = 0y = -5x/96x + 6y = 2 substitute y with -5x/96x + 6(-5x/9) = 26x - 30x/9 = 2 multiply by 9 to both sides54x - 30x = 1824x = 18x = 24/18 = 4/3y = -5x/9 = (-5/9)x substitute x with 4/3y = (-5/9)(4/3) = -20/27Thus the solution is x = 4/3 and y = -20/27.

2.5 is the answer....5(.04)+.10(x)= .06(5+x).2+.1x=.3+.06x.04x=.1or 4x=10 so x =2.5