7x-2(5+4x)=-7

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Solution for 7x-2(5+4x)=-7 equation:


Simplifying
7x + -2(5 + 4x) = -7
7x + (5 * -2 + 4x * -2) = -7
7x + (-10 + -8x) = -7

Reorder the terms:
-10 + 7x + -8x = -7

Combine like terms: 7x + -8x = -1x
-10 + -1x = -7

Solving
-10 + -1x = -7

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + -1x = -7 + 10

Combine like terms: -10 + 10 = 0
0 + -1x = -7 + 10
-1x = -7 + 10

Combine like terms: -7 + 10 = 3
-1x = 3

Divide each side by '-1'.
x = -3

Simplifying
x = -3

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