9x+1=7(x+4)

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Solution for 9x+1=7(x+4) equation:


Simplifying
9x + 1 = 7(x + 4)

Reorder the terms:
1 + 9x = 7(x + 4)

Reorder the terms:
1 + 9x = 7(4 + x)
1 + 9x = (4 * 7 + x * 7)
1 + 9x = (28 + 7x)

Solving
1 + 9x = 28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
1 + 9x + -7x = 28 + 7x + -7x

Combine like terms: 9x + -7x = 2x
1 + 2x = 28 + 7x + -7x

Combine like terms: 7x + -7x = 0
1 + 2x = 28 + 0
1 + 2x = 28

Add '-1' to each side of the equation.
1 + -1 + 2x = 28 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 28 + -1
2x = 28 + -1

Combine like terms: 28 + -1 = 27
2x = 27

Divide each side by '2'.
x = 13.5

Simplifying
x = 13.5

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