Question

150 – z = 78 + 2z
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Answer 1

Explicación paso a paso:

150 - z = 78 + 2×z

150 - 78 = 2×z + z

72 = 3×z

72 ÷ 3 = z

24 = z

Verificación:

150 - 24 = 78 + 2×24

126 = 78 + 48

126 = 126