−45 +v−39-45\:+v-39−45+v−39
−4.(−3)+−(3).(−2)−12:(−3)-4.\left(-3\right)+-\left(3\right).\left(-2\right)-12:\left(-3\right)−4.(−3)+−(3).(−2)−12:(−3)
(x+2)4+3=x+2\frac{\left(x+2\right)}{4}+3=x+24(x+2)+3=x+2
−40(2−3)+78(1−2)−25(6−7)-40\left(2-3\right)+78\left(1-2\right)-25\left(6-7\right)−40(2−3)+78(1−2)−25(6−7)
3x+x−9x3x+x-9x3x+x−9x
4−2t>−t−54-2t>-t-54−2t>−t−5
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