10(7)+100x=30(7+x)

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Solution for 10(7)+100x=30(7+x) equation:


Simplifying
10(7) + 100x = 30(7 + x)

Multiply 10 * 7
70 + 100x = 30(7 + x)
70 + 100x = (7 * 30 + x * 30)
70 + 100x = (210 + 30x)

Solving
70 + 100x = 210 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
70 + 100x + -30x = 210 + 30x + -30x

Combine like terms: 100x + -30x = 70x
70 + 70x = 210 + 30x + -30x

Combine like terms: 30x + -30x = 0
70 + 70x = 210 + 0
70 + 70x = 210

Add '-70' to each side of the equation.
70 + -70 + 70x = 210 + -70

Combine like terms: 70 + -70 = 0
0 + 70x = 210 + -70
70x = 210 + -70

Combine like terms: 210 + -70 = 140
70x = 140

Divide each side by '70'.
x = 2

Simplifying
x = 2

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