How do you solve #12x + 45= 4x - 89#?

2 Answers

#x=-16.75#

Explanation:

Given equation:

#12x+45=4x-89#

#12x-4x=-89-45#

#8x=-134#

#x=-134/8#

#x=-16.75#

Jul 20, 2018

#x=-67/4#

Explanation:

#"Collect terms in x on the left side and numeric values on"#
#"the right side"#

#"subtract "4x" from both sides"#

#12x-4x+45=-89#

#8x+45=-89#

#"subtract 45 from both sides"#

#8x=-89-45=-134#

#"divide both sides by 8"#

#x=(-134)/8=-67/4#