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Equations & Systems

Level 4 / foundation

ax + b = c (mastery)

3 visual steps / linear isolate x

1. Remove constant

7x - 11 = 38Balance both sides. left side right side = 7x - 11387x = 49x = _
Undo the visible number.

Undo the visible number.

2. Divide coefficient

7x - 11 = 38Balance both sides. left side right side = 7x4949 / 7 = 7x = _
Divide by the x coefficient.

Divide by the x coefficient.

3. Check

7x - 11 = 38Balance both sides. left side right side = x7x = 7x = 7
Substitute the answer back.

Substitute the answer back.

Practice Level 4

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

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