Mx+but=p

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Solution for Mx+but=p equation: 


Simplifying
Mx + but = p

Reorder the terms:
btu + xM = p

Solving
btu + xM = p

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-1xM' to each side of the equation.
btu + xM + -1xM = p + -1xM

Combine like terms: xM + -1xM = 0
btu + 0 = p + -1xM
btu = p + -1xM

Divide each side by 'tu'.
b = pt-1u-1 + -1t-1u-1xM

Simplifying
b = pt-1u-1 + -1t-1u-1xM

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