ax+7=3x+b

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Solution for ax+7=3x+b equation:


Simplifying
ax + 7 = 3x + b

Reorder the terms:
7 + ax = 3x + b

Reorder the terms:
7 + ax = b + 3x

Solving
7 + ax = b + 3x

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + ax = b + -7 + 3x

Combine like terms: 7 + -7 = 0
0 + ax = b + -7 + 3x
ax = b + -7 + 3x

Reorder the terms:
ax = -7 + b + 3x

Divide each side by 'x'.
a = -7x-1 + bx-1 + 3

Simplifying
a = -7x-1 + bx-1 + 3

Reorder the terms:
a = 3 + bx-1 + -7x-1

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