4(3x+4x)-1=91

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Solution for 4(3x+4x)-1=91 equation:


Simplifying
4(3x + 4x) + -1 = 91

Combine like terms: 3x + 4x = 7x
4(7x) + -1 = 91

Remove parenthesis around (7x)
4 * 7x + -1 = 91

Multiply 4 * 7
28x + -1 = 91

Reorder the terms:
-1 + 28x = 91

Solving
-1 + 28x = 91

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 28x = 91 + 1

Combine like terms: -1 + 1 = 0
0 + 28x = 91 + 1
28x = 91 + 1

Combine like terms: 91 + 1 = 92
28x = 92

Divide each side by '28'.
x = 3.285714286

Simplifying
x = 3.285714286

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