Algebra
posted by Jeffrey .
I am working on a review worksheet and there are 2 problems I can't remember how to do. Each question has 6 other questions, so helping me with these will remind me how to do the others! Thank you!!
1.2(x+5) = 1.6(2x+5)
and
Solve for y
a(y+c) = b(yc)
Thank you again!
Jeffrey

Algebra 
Steve
These are just exercises using the distributive property. Clear parentheses to get started.
1.2(x+5) = 1.6(2x+5)
1.2x + 6.0 = 3.2x + 8.0
2.0x = 2.0
x = 1.0
Or, if you dislike decimals, multiply by 5 to start with:
6(x+5) = 8(2x+5)
6x+30 = 16x+40
10x = 10
x = 1
a(y+c) = b(yc)
ay+ac = bybc
ayby = bcac
y(ab) = c(b+a)
y = c(b+a)/(ab)
or, y = c * (b+a)/(ba) 
Algebra 
Jeffrey
Got it!
Thank you Steve!
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