142=-3(3+8x)+7

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Solution for 142=-3(3+8x)+7 equation:


Simplifying
142 = -3(3 + 8x) + 7
142 = (3 * -3 + 8x * -3) + 7
142 = (-9 + -24x) + 7

Reorder the terms:
142 = -9 + 7 + -24x

Combine like terms: -9 + 7 = -2
142 = -2 + -24x

Solving
142 = -2 + -24x

Solving for variable 'x'.

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

Add '24x' to each side of the equation.
142 + 24x = -2 + -24x + 24x

Combine like terms: -24x + 24x = 0
142 + 24x = -2 + 0
142 + 24x = -2

Add '-142' to each side of the equation.
142 + -142 + 24x = -2 + -142

Combine like terms: 142 + -142 = 0
0 + 24x = -2 + -142
24x = -2 + -142

Combine like terms: -2 + -142 = -144
24x = -144

Divide each side by '24'.
x = -6

Simplifying
x = -6

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