Question

how can you resolve this pro: 3(4-x)=5-x+ 6(2-x)

Answer 1

All you need to do is distribute the multiplication, then group together like terms.

$$ 3(4-x) \Rightarrow 12-3x \\
6(2-x) \Rightarrow 12 - 6x \\
\Rightarrow 12-3x = 5-x+12-6x\\
\Rightarrow 12-5-12 = 3x-x-6x\\
\Rightarrow -5 = -4x\\
\Rightarrow x = \frac{5}{4} $$

Answer 2

\[3(4-x) \Rightarrow 12-3x\\
6(2-x) \Rightarrow 12-6x\\
\Rightarrow 12-3x = 5-x+12-6x\\
\Rightarrow 12-5-12 = 3x-x-6x\\
\Rightarrow -5 = -4x \\
\Rightarrow x = \frac{5}{4}\]

Answer 3

Let's try this:

\[\begin{align} &3(4-x) \Rightarrow 12-3x\\ &6(2-x) \Rightarrow 12-6x\\ &\Rightarrow 12-3x = 5-x+12-6x\\ &\Rightarrow 12-5-12 = 3x-x-6x\\ &\Rightarrow -5 = -4x \\ &\Rightarrow x = \frac{5}{4} \end{align}\]