x + 12 − 20 = 14 + 8 x − 8 = 22 x = 22 + 8 x = 30
-20+12= -8 14+8=22
we pass 8 with changed signe in the other side of the equal to find x
To solve the equation x + 12 − 20 = 14 + 8 , first simplify both sides to get x − 8 = 22 . Isolate x by adding 8 to both sides, resulting in x = 30 .
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25% x 40 = 25/100 x 40 = 10
[tex]25\% \times 40 \\ = \frac{25}{100} \times 40 \\ \\ = \frac{1.000}{100} = 10[/tex]