x(.6)+.30(x+10)=10(21)

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Solution for x(.6)+.30(x+10)=10(21) equation:


Simplifying
x(0.6) + 0.30(x + 10) = 10(21)

Reorder the terms for easier multiplication:
0.6x + 0.30(x + 10) = 10(21)

Reorder the terms:
0.6x + 0.30(10 + x) = 10(21)
0.6x + (10 * 0.30 + x * 0.30) = 10(21)
0.6x + (3 + 0.30x) = 10(21)

Reorder the terms:
3 + 0.6x + 0.30x = 10(21)

Combine like terms: 0.6x + 0.30x = 0.9x
3 + 0.9x = 10(21)

Multiply 10 * 21
3 + 0.9x = 210

Solving
3 + 0.9x = 210

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 0.9x = 210 + -3

Combine like terms: 3 + -3 = 0
0 + 0.9x = 210 + -3
0.9x = 210 + -3

Combine like terms: 210 + -3 = 207
0.9x = 207

Divide each side by '0.9'.
x = 230

Simplifying
x = 230

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