0.8x+0.1(x+70)=7.9

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Solution for 0.8x+0.1(x+70)=7.9 equation:


Simplifying
0.8x + 0.1(x + 70) = 7.9

Reorder the terms:
0.8x + 0.1(70 + x) = 7.9
0.8x + (70 * 0.1 + x * 0.1) = 7.9
0.8x + (7 + 0.1x) = 7.9

Reorder the terms:
7 + 0.8x + 0.1x = 7.9

Combine like terms: 0.8x + 0.1x = 0.9x
7 + 0.9x = 7.9

Solving
7 + 0.9x = 7.9

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 0.9x = 7.9 + -7

Combine like terms: 7 + -7 = 0
0 + 0.9x = 7.9 + -7
0.9x = 7.9 + -7

Combine like terms: 7.9 + -7 = 0.9
0.9x = 0.9

Divide each side by '0.9'.
x = 1

Simplifying
x = 1

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