8x+4(100)=7(100+x)

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Solution for 8x+4(100)=7(100+x) equation:


Simplifying
8x + 4(100) = 7(100 + x)

Multiply 4 * 100
8x + 400 = 7(100 + x)

Reorder the terms:
400 + 8x = 7(100 + x)
400 + 8x = (100 * 7 + x * 7)
400 + 8x = (700 + 7x)

Solving
400 + 8x = 700 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
400 + 8x + -7x = 700 + 7x + -7x

Combine like terms: 8x + -7x = 1x
400 + 1x = 700 + 7x + -7x

Combine like terms: 7x + -7x = 0
400 + 1x = 700 + 0
400 + 1x = 700

Add '-400' to each side of the equation.
400 + -400 + 1x = 700 + -400

Combine like terms: 400 + -400 = 0
0 + 1x = 700 + -400
1x = 700 + -400

Combine like terms: 700 + -400 = 300
1x = 300

Divide each side by '1'.
x = 300

Simplifying
x = 300

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