x+5*28=2x+21

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Solution for x+5*28=2x+21 equation:


Simplifying
x + 5 * 28 = 2x + 21

Multiply 5 * 28
x + 140 = 2x + 21

Reorder the terms:
140 + x = 2x + 21

Reorder the terms:
140 + x = 21 + 2x

Solving
140 + x = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
140 + x + -2x = 21 + 2x + -2x

Combine like terms: x + -2x = -1x
140 + -1x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
140 + -1x = 21 + 0
140 + -1x = 21

Add '-140' to each side of the equation.
140 + -140 + -1x = 21 + -140

Combine like terms: 140 + -140 = 0
0 + -1x = 21 + -140
-1x = 21 + -140

Combine like terms: 21 + -140 = -119
-1x = -119

Divide each side by '-1'.
x = 119

Simplifying
x = 119

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