-1=7x+4(x-3)

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Solution for -1=7x+4(x-3) equation:


Simplifying
-1 = 7x + 4(x + -3)

Reorder the terms:
-1 = 7x + 4(-3 + x)
-1 = 7x + (-3 * 4 + x * 4)
-1 = 7x + (-12 + 4x)

Reorder the terms:
-1 = -12 + 7x + 4x

Combine like terms: 7x + 4x = 11x
-1 = -12 + 11x

Solving
-1 = -12 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
-1 + -11x = -12 + 11x + -11x

Combine like terms: 11x + -11x = 0
-1 + -11x = -12 + 0
-1 + -11x = -12

Add '1' to each side of the equation.
-1 + 1 + -11x = -12 + 1

Combine like terms: -1 + 1 = 0
0 + -11x = -12 + 1
-11x = -12 + 1

Combine like terms: -12 + 1 = -11
-11x = -11

Divide each side by '-11'.
x = 1

Simplifying
x = 1

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