2M+30=4M+70

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Solution for 2M+30=4M+70 equation:


Simplifying
2M + 30 = 4M + 70

Reorder the terms:
30 + 2M = 4M + 70

Reorder the terms:
30 + 2M = 70 + 4M

Solving
30 + 2M = 70 + 4M

Solving for variable 'M'.

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

Add '-4M' to each side of the equation.
30 + 2M + -4M = 70 + 4M + -4M

Combine like terms: 2M + -4M = -2M
30 + -2M = 70 + 4M + -4M

Combine like terms: 4M + -4M = 0
30 + -2M = 70 + 0
30 + -2M = 70

Add '-30' to each side of the equation.
30 + -30 + -2M = 70 + -30

Combine like terms: 30 + -30 = 0
0 + -2M = 70 + -30
-2M = 70 + -30

Combine like terms: 70 + -30 = 40
-2M = 40

Divide each side by '-2'.
M = -20

Simplifying
M = -20

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