2x+3=5x-42 what is the number that belongs in the green box

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asked Feb 8, 2019 66.2k views

1 Answer

Xiaoxi · Answer 1 · 2019-02-15T16:02:14+0000

Objective: Solve 2x + 3 = 5x - 42 for x.

Step 1: Subtract 3 from both sides.

2x + 3 = 5x - 42
2x = 5x - 45

Step 2: Subtract 5x from both sides.

2x = 5x - 45
-3x = -45

Step 4: Divide both sides by -3.

-3x = -45
x = 15

Answer:
x = 15

2x+3=5x-42 what is the number that belongs in the green box

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