15x-16=0.4(10x+70)

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Solution for 15x-16=0.4(10x+70) equation:


Simplifying
15x + -16 = 0.4(10x + 70)

Reorder the terms:
-16 + 15x = 0.4(10x + 70)

Reorder the terms:
-16 + 15x = 0.4(70 + 10x)
-16 + 15x = (70 * 0.4 + 10x * 0.4)
-16 + 15x = (28 + 4x)

Solving
-16 + 15x = 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.
-16 + 15x + -4x = 28 + 4x + -4x

Combine like terms: 15x + -4x = 11x
-16 + 11x = 28 + 4x + -4x

Combine like terms: 4x + -4x = 0
-16 + 11x = 28 + 0
-16 + 11x = 28

Add '16' to each side of the equation.
-16 + 16 + 11x = 28 + 16

Combine like terms: -16 + 16 = 0
0 + 11x = 28 + 16
11x = 28 + 16

Combine like terms: 28 + 16 = 44
11x = 44

Divide each side by '11'.
x = 4

Simplifying
x = 4

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