ax+b=3x-7

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


Simplifying
ax + b = 3x + -7

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

Solving
ax + b = -7 + 3x

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
ax + b + -1b = -7 + -1b + 3x

Combine like terms: b + -1b = 0
ax + 0 = -7 + -1b + 3x
ax = -7 + -1b + 3x

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

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

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

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