$\frac{1}{3}x+\frac{1}{3}(2x-15)=3\frac{1}{2}\\\\
\frac{1}{3}x+\frac{1}{3}(2x-15)=\frac{7}{2}\ \ \ |Multiply\ by\ 6\\\\
2x+2(2x-15)=21\\\\
2x+4x-30=21\\\\
6x-30=21\ \ |Add\ 30\\\\
6x=51\ \ \ |Divide\ by\ 6\\\\
\boxed{x=\frac{51}{6}=8\frac{1}{2}}$

7 0

3 years ago

Please Help! Evaluate this expression 10.82-9.99

KatRina [158]

0.53 hope that helps!!

6 0

3 years ago

The number of kilograms of water in a human body varies directly as the mass of the body A 96kg person contains 64kg of water.Ho

jekas [21]

I’m trying to figure this out myself

3 0

3 years ago

Read 2 more answers

Let f(x) = 2x + 2. Solve f-1(x) when x = 4.

lesya692 [45]

$f(x)=2x+2 \\\\ f(x)-1= (2*4+2)-1 \\\\ =8+2-1= \\\\ =10-1= \\\\=\boxed{9}$

7 0

3 years ago

Read 2 more answers