1-2(5x+4)=8

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Solution for 1-2(5x+4)=8 equation:


Simplifying
1 + -2(5x + 4) = 8

Reorder the terms:
1 + -2(4 + 5x) = 8
1 + (4 * -2 + 5x * -2) = 8
1 + (-8 + -10x) = 8

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

Solving
-7 + -10x = 8

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + -10x = 8 + 7

Combine like terms: -7 + 7 = 0
0 + -10x = 8 + 7
-10x = 8 + 7

Combine like terms: 8 + 7 = 15
-10x = 15

Divide each side by '-10'.
x = -1.5

Simplifying
x = -1.5

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