Question

25 баллов. АЛГЕБРА Выполни задания

Answer 1

1. x–3(x+1)=2(3x–2)+7
x–3x–3=6x–4+7
x–3x–6x=3–4+7
–8x=6
x=–6/8=–3/4

2. 5–10x+2x=4–6–3x
–10x+2x+3x=4–6–5
–5x=–7
x=7/5=1 2/5