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Equations & Systems

Level 5 / foundation

ax + b = cx + d (small)

4 visual steps / collect x terms

1. Gather x

4x + 3 = x + 18Balance both sides. left side right side = 4x + 3x + 184x - x = 15x = _
Put x terms on one side.

Put x terms on one side.

2. Gather numbers

4x + 3 = x + 18Balance both sides. left side right side = 4x + 3x + 184x - x = 15x = _
Move numbers to the other side.

Move numbers to the other side.

3. Divide coefficient

4x + 3 = x + 18Balance both sides. left side right side = 4x - x153x = 15x = _
Divide by the x coefficient.

Divide by the x coefficient.

4. Check

4x + 3 = x + 18Balance both sides. left side right side = x5x = 5x = 5
Substitute the answer back.

Substitute the answer back.

Practice Level 5

Keep the columns in place and solve one window at a time.

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