3[7-(-7x-8)]=105x+141

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Solution for 3[7-(-7x-8)]=105x+141 equation:


Simplifying
3[7 + -1(-7x + -8)] = 105x + 141

Reorder the terms:
3[7 + -1(-8 + -7x)] = 105x + 141
3[7 + (-8 * -1 + -7x * -1)] = 105x + 141
3[7 + (8 + 7x)] = 105x + 141

Combine like terms: 7 + 8 = 15
3[15 + 7x] = 105x + 141
[15 * 3 + 7x * 3] = 105x + 141
[45 + 21x] = 105x + 141

Reorder the terms:
45 + 21x = 141 + 105x

Solving
45 + 21x = 141 + 105x

Solving for variable 'x'.

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

Add '-105x' to each side of the equation.
45 + 21x + -105x = 141 + 105x + -105x

Combine like terms: 21x + -105x = -84x
45 + -84x = 141 + 105x + -105x

Combine like terms: 105x + -105x = 0
45 + -84x = 141 + 0
45 + -84x = 141

Add '-45' to each side of the equation.
45 + -45 + -84x = 141 + -45

Combine like terms: 45 + -45 = 0
0 + -84x = 141 + -45
-84x = 141 + -45

Combine like terms: 141 + -45 = 96
-84x = 96

Divide each side by '-84'.
x = -1.142857143

Simplifying
x = -1.142857143

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