80x-30-2x-7=140

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Solution for 80x-30-2x-7=140 equation:


Simplifying
80x + -30 + -2x + -7 = 140

Reorder the terms:
-30 + -7 + 80x + -2x = 140

Combine like terms: -30 + -7 = -37
-37 + 80x + -2x = 140

Combine like terms: 80x + -2x = 78x
-37 + 78x = 140

Solving
-37 + 78x = 140

Solving for variable 'x'.

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

Add '37' to each side of the equation.
-37 + 37 + 78x = 140 + 37

Combine like terms: -37 + 37 = 0
0 + 78x = 140 + 37
78x = 140 + 37

Combine like terms: 140 + 37 = 177
78x = 177

Divide each side by '78'.
x = 2.269230769

Simplifying
x = 2.269230769

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