Ответ:
Пошаговое объяснение:
a)4x-2=24.5
4x=24.5/2
x=12.25\
б)2+5x+2.1=0.7
5x=0.7-2-2.1
x=-3.4
c)13х + 2,7 – 4 = 0,2
13x=0.2-2.7+4
x=1.5
а)4x-2=24.5
4x=24.5+2
4x=26.5
X=26.5/4
X=6. 5/8
б)3+5x+2.1=0.7
5x=0.7-2.1-3
5x=-4.4
X=4.4/5
c)13x+2.7-4=0.2
13x=1.1
X=1.1/13
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Answers & Comments
Ответ:
Пошаговое объяснение:
a)4x-2=24.5
4x=24.5/2
x=12.25\
б)2+5x+2.1=0.7
5x=0.7-2-2.1
x=-3.4
c)13х + 2,7 – 4 = 0,2
13x=0.2-2.7+4
x=1.5
а)4x-2=24.5
4x=24.5+2
4x=26.5
X=26.5/4
X=6. 5/8
б)3+5x+2.1=0.7
5x=0.7-2.1-3
5x=-4.4
X=4.4/5
c)13x+2.7-4=0.2
13x=0.2-2.7+4
13x=1.1
X=1.1/13