1-2x=7(x+4)

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Solution for 1-2x=7(x+4) equation:


Simplifying
1 + -2x = 7(x + 4)

Reorder the terms:
1 + -2x = 7(4 + x)
1 + -2x = (4 * 7 + x * 7)
1 + -2x = (28 + 7x)

Solving
1 + -2x = 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 + -2x + -7x = 28 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
1 + -9x = 28 + 0
1 + -9x = 28

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

Combine like terms: 1 + -1 = 0
0 + -9x = 28 + -1
-9x = 28 + -1

Combine like terms: 28 + -1 = 27
-9x = 27

Divide each side by '-9'.
x = -3

Simplifying
x = -3

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