Page 222 - Matemática 6
P. 222
x + 150 + x = 1800 x + 150 + x = 1800
2x + 150 = 1800 825 + 150 + 825 = 1800
2x = 1800 - 150 1800 = 1800
2x = 1650
x = 1650 / 2
x = 825 R/

222 Matemática 6o
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