7(6x+x)+3(1+7x)=-18

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Solution for 7(6x+x)+3(1+7x)=-18 equation:


Simplifying
7(6x + x) + 3(1 + 7x) = -18

Combine like terms: 6x + x = 7x
7(7x) + 3(1 + 7x) = -18

Remove parenthesis around (7x)
7 * 7x + 3(1 + 7x) = -18

Multiply 7 * 7
49x + 3(1 + 7x) = -18
49x + (1 * 3 + 7x * 3) = -18
49x + (3 + 21x) = -18

Reorder the terms:
3 + 49x + 21x = -18

Combine like terms: 49x + 21x = 70x
3 + 70x = -18

Solving
3 + 70x = -18

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 70x = -18 + -3

Combine like terms: 3 + -3 = 0
0 + 70x = -18 + -3
70x = -18 + -3

Combine like terms: -18 + -3 = -21
70x = -21

Divide each side by '70'.
x = -0.3

Simplifying
x = -0.3

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