13x*2-40=77

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Solution for 13x*2-40=77 equation:


Simplifying
13x * 2 + -40 = 77

Reorder the terms for easier multiplication:
13 * 2x + -40 = 77

Multiply 13 * 2
26x + -40 = 77

Reorder the terms:
-40 + 26x = 77

Solving
-40 + 26x = 77

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 26x = 77 + 40

Combine like terms: -40 + 40 = 0
0 + 26x = 77 + 40
26x = 77 + 40

Combine like terms: 77 + 40 = 117
26x = 117

Divide each side by '26'.
x = 4.5

Simplifying
x = 4.5

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