1011. Решите уравнение.
1) 4(x - 3) - 3(x + 2)= -19
2) 2x + 1 + 3(x - 2) = 14
3) -5(7 - x) - 4(x-8) = 3
4)2(x - 4) - 5(x - 6) = 1
пж помогите
1) 4(x - 3) - 3(x + 2)= -19
2) 2x + 1 + 3(x - 2) = 14
3) -5(7 - x) - 4(x-8) = 3
4)2(x - 4) - 5(x - 6) = 1
пж помогите
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Verified answer
1) 4x-12-3x-6=-19
x-18=-19
x=-19+18
x=-1
2) 2x+1+3x-6=14
5x-5=14
5x=14+5
5x=19
x= 19/5 (дробь)
3) -35+5х-4х+32=3
-3+х=3
х=3+3
х=6
4)2х-8-5х+30=1
-3х+22=1
-3х=1-22
-3х=-21
х=7