Question

Реши уравнение Х + 1200 = 400 * 7

Answer 1

х+1200=400×7
х+1200=2800
х=2800-1200
х=1600
1600+1200=400×7
2800=2800

Answer 2

Х + 1200 = 400 * 7
Х + 1200 = 2 800
Х = 2 800 - 1200
Х = 1 600
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1 600 + 1200 = 400 * 7