2x+4-(-7x-7)=154

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Solution for 2x+4-(-7x-7)=154 equation:


Simplifying
2x + 4 + -1(-7x + -7) = 154

Reorder the terms:
2x + 4 + -1(-7 + -7x) = 154
2x + 4 + (-7 * -1 + -7x * -1) = 154
2x + 4 + (7 + 7x) = 154

Reorder the terms:
4 + 7 + 2x + 7x = 154

Combine like terms: 4 + 7 = 11
11 + 2x + 7x = 154

Combine like terms: 2x + 7x = 9x
11 + 9x = 154

Solving
11 + 9x = 154

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 9x = 154 + -11

Combine like terms: 11 + -11 = 0
0 + 9x = 154 + -11
9x = 154 + -11

Combine like terms: 154 + -11 = 143
9x = 143

Divide each side by '9'.
x = 15.88888889

Simplifying
x = 15.88888889

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