Solve 4 - 2y = 10
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4 - 2y = 10
The main risk here is dropping the negative sign.
Work through the rearrangement one step at a time.
One structured route through this exact problem.
- 1Subtract 4 from both sides.
- 2That gives -2y = 6.
- 3Divide both sides by -2.
- 4So y = -3.
Use these quick checks before relying on the route.
- Substitute y = -3 into the left side.
- You get 4 - 2(-3) = 4 + 6 = 10, so the answer checks out.
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