7(7-2x)+8(6x+4)=15

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Solution for 7(7-2x)+8(6x+4)=15 equation:


Simplifying
7(7 + -2x) + 8(6x + 4) = 15
(7 * 7 + -2x * 7) + 8(6x + 4) = 15
(49 + -14x) + 8(6x + 4) = 15

Reorder the terms:
49 + -14x + 8(4 + 6x) = 15
49 + -14x + (4 * 8 + 6x * 8) = 15
49 + -14x + (32 + 48x) = 15

Reorder the terms:
49 + 32 + -14x + 48x = 15

Combine like terms: 49 + 32 = 81
81 + -14x + 48x = 15

Combine like terms: -14x + 48x = 34x
81 + 34x = 15

Solving
81 + 34x = 15

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + 34x = 15 + -81

Combine like terms: 81 + -81 = 0
0 + 34x = 15 + -81
34x = 15 + -81

Combine like terms: 15 + -81 = -66
34x = -66

Divide each side by '34'.
x = -1.941176471

Simplifying
x = -1.941176471

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