Предмет: Алгебра, автор: Link1481

Помогите решить уравнение.

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Ответы

Автор ответа: Аноним
0
Раскроем скобки:
3x-7+6-2x=-x+8
Перенесем все влево:
3x-2x+x-7+6-8=0
Упростим:
2x-9=0
2x=9
x=9/2
x=4.5
Автор ответа: Valinora
0
3х-7+6-2х=-х+8
х-1=-х+8
2х=9
х=9:2
х=4,5
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TEST
I. Which of the following do you like/hate doing? Write sentences using the right verb forms.
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Paul_____________________________1 (wake) early. He____________________2 (wash) his face and ________________3 (eat) his breakfast. Then Paul and his family ________4 (get) into the taxi and ______5 (go) to the airport.
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Then the sun __________14 (come) out and the birds started to sing. They heard a helicopter far away. It flew over the plane. The pilot dropped a rope and pulled the people up into the helicopter. The helicopter _________15 (take) everyone to a hotel in town. They _______16 (be) all safe.
16/______
III. Fill in the gaps with to be going to in the correct form.
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