Question

A)
x + 3500 = 856

B)
y + 3007 = 7951

C)
x + 5243 = 1162​

Answer 1

A)

$\LARGE\tt{}x + 3500 = 856 \\ \LARGE\tt{}x = 856 - 3500 \\ \LARGE\tt{}x = - 2644$

Prova real

$\LARGE\tt{} - 2644 + 3500 = 856$

B)

$\LARGE\tt{}y + 3007 = 7951 \\ \LARGE\tt{}y = 7951 - 3007\\\LARGE\tt{} y = 4944$

Prova real

$\LARGE\tt{}4944 + 3007 = 7951$

C)

$\LARGE\tt{}x + 5243 = 1162 \\ \LARGE\tt{}x = 1162 - 5243 \\ \LARGE\tt{}x = - 4081$

Prova real

$\LARGE\tt{} - 4081 + 5243 = 1162$

Bons estudos

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