5x+7(4)=77

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Solution for 5x+7(4)=77 equation: 


Simplifying
5x + 7(4) = 77

Multiply 7 * 4
5x + 28 = 77

Reorder the terms:
28 + 5x = 77

Solving
28 + 5x = 77

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 5x = 77 + -28

Combine like terms: 28 + -28 = 0
0 + 5x = 77 + -28
5x = 77 + -28

Combine like terms: 77 + -28 = 49
5x = 49

Divide each side by '5'.
x = 9.8

Simplifying
x = 9.8

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