2x(7+1)+3(5-7x)=0

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Solution for 2x(7+1)+3(5-7x)=0 equation:


Simplifying
2x(7 + 1) + 3(5 + -7x) = 0

Combine like terms: 7 + 1 = 8
2x(8) + 3(5 + -7x) = 0

Reorder the terms for easier multiplication:
2 * 8x + 3(5 + -7x) = 0

Multiply 2 * 8
16x + 3(5 + -7x) = 0
16x + (5 * 3 + -7x * 3) = 0
16x + (15 + -21x) = 0

Reorder the terms:
15 + 16x + -21x = 0

Combine like terms: 16x + -21x = -5x
15 + -5x = 0

Solving
15 + -5x = 0

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -5x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -5x = 0 + -15
-5x = 0 + -15

Combine like terms: 0 + -15 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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