Me on these questions, when/if u answer do the answer like this "1. x=5" or what ever just so i know which one. 1.solve for the variable: 2x - 28 = 16 options: 17 -6 11.5 22 2.solve for the variable 12=5x+7 options: 1 -5 -1 25 3.solve for x: 140=10x+4x options: 10 3.5 13.6 136

1. x = 22, 2. x = 1, 3. x = 10

1.

2x - 28 = 16 ( add 28 to both sides )

2x = 44 ( divide both sides by 2 )

x = 22 ← solution

2.

12 = 5x + 7 ( subtract 7 from both sides )

5 = 5x ( divide both sides by 5 )

1 = x ⇒ x = 1 ← solution

3.

140 = 10x + 4x ( collect like terms on right side )

140 = 14x ( divide both sides by 14 )

10 = x ⇒ x = 10 ← solution

answer: 590

step-by-step explanation:

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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