2(x-5)+5(x+6)=4(x+7)

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Solution for 2(x-5)+5(x+6)=4(x+7) equation:


Simplifying
2(x + -5) + 5(x + 6) = 4(x + 7)

Reorder the terms:
2(-5 + x) + 5(x + 6) = 4(x + 7)
(-5 * 2 + x * 2) + 5(x + 6) = 4(x + 7)
(-10 + 2x) + 5(x + 6) = 4(x + 7)

Reorder the terms:
-10 + 2x + 5(6 + x) = 4(x + 7)
-10 + 2x + (6 * 5 + x * 5) = 4(x + 7)
-10 + 2x + (30 + 5x) = 4(x + 7)

Reorder the terms:
-10 + 30 + 2x + 5x = 4(x + 7)

Combine like terms: -10 + 30 = 20
20 + 2x + 5x = 4(x + 7)

Combine like terms: 2x + 5x = 7x
20 + 7x = 4(x + 7)

Reorder the terms:
20 + 7x = 4(7 + x)
20 + 7x = (7 * 4 + x * 4)
20 + 7x = (28 + 4x)

Solving
20 + 7x = 28 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
20 + 7x + -4x = 28 + 4x + -4x

Combine like terms: 7x + -4x = 3x
20 + 3x = 28 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + 3x = 28 + 0
20 + 3x = 28

Add '-20' to each side of the equation.
20 + -20 + 3x = 28 + -20

Combine like terms: 20 + -20 = 0
0 + 3x = 28 + -20
3x = 28 + -20

Combine like terms: 28 + -20 = 8
3x = 8

Divide each side by '3'.
x = 2.666666667

Simplifying
x = 2.666666667

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