0.30x+0.90(300)=0.70(300+x)

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Solution for 0.30x+0.90(300)=0.70(300+x) equation:


Simplifying
0.30x + 0.90(300) = 0.70(300 + x)

Multiply 0.90 * 300
0.30x + 270 = 0.70(300 + x)

Reorder the terms:
270 + 0.30x = 0.70(300 + x)
270 + 0.30x = (300 * 0.70 + x * 0.70)
270 + 0.30x = (210 + 0.70x)

Solving
270 + 0.30x = 210 + 0.70x

Solving for variable 'x'.

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

Add '-0.70x' to each side of the equation.
270 + 0.30x + -0.70x = 210 + 0.70x + -0.70x

Combine like terms: 0.30x + -0.70x = -0.4x
270 + -0.4x = 210 + 0.70x + -0.70x

Combine like terms: 0.70x + -0.70x = 0.00
270 + -0.4x = 210 + 0.00
270 + -0.4x = 210

Add '-270' to each side of the equation.
270 + -270 + -0.4x = 210 + -270

Combine like terms: 270 + -270 = 0
0 + -0.4x = 210 + -270
-0.4x = 210 + -270

Combine like terms: 210 + -270 = -60
-0.4x = -60

Divide each side by '-0.4'.
x = 150

Simplifying
x = 150

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