-1=-3(2x+3)+7x

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Solution for -1=-3(2x+3)+7x equation:


Simplifying
-1 = -3(2x + 3) + 7x

Reorder the terms:
-1 = -3(3 + 2x) + 7x
-1 = (3 * -3 + 2x * -3) + 7x
-1 = (-9 + -6x) + 7x

Combine like terms: -6x + 7x = 1x
-1 = -9 + 1x

Solving
-1 = -9 + 1x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -9 + 1 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8

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