7=2(8x-1)+1(5x+2)

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Solution for 7=2(8x-1)+1(5x+2) equation:


Simplifying
7 = 2(8x + -1) + 1(5x + 2)

Reorder the terms:
7 = 2(-1 + 8x) + 1(5x + 2)
7 = (-1 * 2 + 8x * 2) + 1(5x + 2)
7 = (-2 + 16x) + 1(5x + 2)

Reorder the terms:
7 = -2 + 16x + 1(2 + 5x)
7 = -2 + 16x + (2 * 1 + 5x * 1)
7 = -2 + 16x + (2 + 5x)

Reorder the terms:
7 = -2 + 2 + 16x + 5x

Combine like terms: -2 + 2 = 0
7 = 0 + 16x + 5x
7 = 16x + 5x

Combine like terms: 16x + 5x = 21x
7 = 21x

Solving
7 = 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
7 + -21x = 21x + -21x

Combine like terms: 21x + -21x = 0
7 + -21x = 0

Add '-7' to each side of the equation.
7 + -7 + -21x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -21x = 0 + -7
-21x = 0 + -7

Combine like terms: 0 + -7 = -7
-21x = -7

Divide each side by '-21'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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