7(30+x)=8(27-x)

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Solution for 7(30+x)=8(27-x) equation:


Simplifying
7(30 + x) = 8(27 + -1x)
(30 * 7 + x * 7) = 8(27 + -1x)
(210 + 7x) = 8(27 + -1x)
210 + 7x = (27 * 8 + -1x * 8)
210 + 7x = (216 + -8x)

Solving
210 + 7x = 216 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
210 + 7x + 8x = 216 + -8x + 8x

Combine like terms: 7x + 8x = 15x
210 + 15x = 216 + -8x + 8x

Combine like terms: -8x + 8x = 0
210 + 15x = 216 + 0
210 + 15x = 216

Add '-210' to each side of the equation.
210 + -210 + 15x = 216 + -210

Combine like terms: 210 + -210 = 0
0 + 15x = 216 + -210
15x = 216 + -210

Combine like terms: 216 + -210 = 6
15x = 6

Divide each side by '15'.
x = 0.4

Simplifying
x = 0.4

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