4(3x+9)+7(x+3)=-2(x-7)

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Solution for 4(3x+9)+7(x+3)=-2(x-7) equation:


Simplifying
4(3x + 9) + 7(x + 3) = -2(x + -7)

Reorder the terms:
4(9 + 3x) + 7(x + 3) = -2(x + -7)
(9 * 4 + 3x * 4) + 7(x + 3) = -2(x + -7)
(36 + 12x) + 7(x + 3) = -2(x + -7)

Reorder the terms:
36 + 12x + 7(3 + x) = -2(x + -7)
36 + 12x + (3 * 7 + x * 7) = -2(x + -7)
36 + 12x + (21 + 7x) = -2(x + -7)

Reorder the terms:
36 + 21 + 12x + 7x = -2(x + -7)

Combine like terms: 36 + 21 = 57
57 + 12x + 7x = -2(x + -7)

Combine like terms: 12x + 7x = 19x
57 + 19x = -2(x + -7)

Reorder the terms:
57 + 19x = -2(-7 + x)
57 + 19x = (-7 * -2 + x * -2)
57 + 19x = (14 + -2x)

Solving
57 + 19x = 14 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
57 + 19x + 2x = 14 + -2x + 2x

Combine like terms: 19x + 2x = 21x
57 + 21x = 14 + -2x + 2x

Combine like terms: -2x + 2x = 0
57 + 21x = 14 + 0
57 + 21x = 14

Add '-57' to each side of the equation.
57 + -57 + 21x = 14 + -57

Combine like terms: 57 + -57 = 0
0 + 21x = 14 + -57
21x = 14 + -57

Combine like terms: 14 + -57 = -43
21x = -43

Divide each side by '21'.
x = -2.047619048

Simplifying
x = -2.047619048

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