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How do you solve $8 = 8 v - 4 (v + 8)$ $8=8v-4(v+8)$ ?

1 Answer

Sep 6, 2016

$v = 10$ $v = 10$

Explanation:

$8 = 8 v - 4 (v + 8) \times \times x \leftarrow remove the bracket$ $8 = 8v - 4(v+8) color(white)(xxxxx)larr "remove the bracket"$

$8 = 8 v - 4 v - 32 \times \times x \leftarrow collect like terms$ $8 = 8v - 4v-32color(white)(xxxxx)larr "collect like terms"$

$8 = 4 v - 32 \times \times \times \times x \leftarrow isolate the variable$ $8 = 4v -32 color(white)(xxxxxxxxx)larr "isolate the variable"$

$8 + 32 = 4 v \times \times \times \times \times \leftarrow solve for v$ $8+32= 4vcolor(white)(xxxxxxxxxx)larr "solve for v"$

$40 = 4 v$ $40 = 4v$

$v = 10$ $v = 10$

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