Solve the following equation: 3x - 7 = 9 + 2x. A)12 B)16 c)20 d)24

asked Jul 5, 2021 156k views

2 votes

Solve the following equation: 3x - 7 = 9 + 2x.
A)12
B)16
c)20
d)24

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3 votes

Answer:

Option B

Explanation:

$3x - 7 = 9 + 2x\\\\3x-7+7=9+2x+7\\\\3x = 9 + 7 + 2x\\\\3x=16+2x\\\\3x-2x=16+2x-2x\\\\\boxed{x=16}$

Hope this helps!

Mika Vatanen answered Jul 7, 2021

4.4k points

2 votes

answer:
B

the equation:
3x-7=9+2x

step 1: subtract 2x from both sides
x-7=9

step 2: add 7 to both sides
x=16

Rposborne answered Jul 9, 2021

4.5k points

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