3x+45=4(x+10)

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Solution for 3x+45=4(x+10) equation:


Simplifying
3x + 45 = 4(x + 10)

Reorder the terms:
45 + 3x = 4(x + 10)

Reorder the terms:
45 + 3x = 4(10 + x)
45 + 3x = (10 * 4 + x * 4)
45 + 3x = (40 + 4x)

Solving
45 + 3x = 40 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
45 + 3x + -4x = 40 + 4x + -4x

Combine like terms: 3x + -4x = -1x
45 + -1x = 40 + 4x + -4x

Combine like terms: 4x + -4x = 0
45 + -1x = 40 + 0
45 + -1x = 40

Add '-45' to each side of the equation.
45 + -45 + -1x = 40 + -45

Combine like terms: 45 + -45 = 0
0 + -1x = 40 + -45
-1x = 40 + -45

Combine like terms: 40 + -45 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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