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Equations & Systems

Level 26 / realistic untimed

2-var realistic - find x (no timer)

4 visual steps / realistic 2-var find x

1. Coefficient D

Read x window in place, divide.Db125-40-752101200-1650same rowsDx1200-40-1650210D = 23250Dx = 186000x = 8
D = 23250.

D = 23250.

2. Target Dx

Read x window in place, divide.Db125-40-752101200-1650same rowsDx1200-40-1650210D = 23250Dx = 186000x = 8
Dx = 186000.

Dx = 186000.

3. x ratio

Read x window in place, divide.Db125-40-752101200-1650same rowsDx1200-40-1650210D = 23250Dx = 186000x = 8
x = 8.

x = 8.

4. Check

Read x window in place, divide.Db125-40-752101200-1650same rowsDx1200-40-1650210D = 23250Dx = 186000x = 8
Substitute into one equation.

Substitute into one equation.

Practice Level 26

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

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