15x+8(4-x)=90

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Solution for 15x+8(4-x)=90 equation:


Simplifying
15x + 8(4 + -1x) = 90
15x + (4 * 8 + -1x * 8) = 90
15x + (32 + -8x) = 90

Reorder the terms:
32 + 15x + -8x = 90

Combine like terms: 15x + -8x = 7x
32 + 7x = 90

Solving
32 + 7x = 90

Solving for variable 'x'.

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

Add '-32' to each side of the equation.
32 + -32 + 7x = 90 + -32

Combine like terms: 32 + -32 = 0
0 + 7x = 90 + -32
7x = 90 + -32

Combine like terms: 90 + -32 = 58
7x = 58

Divide each side by '7'.
x = 8.285714286

Simplifying
x = 8.285714286

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